Aarhus University Seal / Aarhus Universitets segl

Maria Knadel

  1. 2020
  2. Published

    Combining laser-induced breakdown spectroscopy (Libs) and visible near-infrared spectroscopy (visnirs) for soil phosphorus determination. / Sánchez-Esteva, Sara; Knadel, Maria; Kucheryavskiy, Sergey; de Jonge, Lis W.; Rubæk, Gitte H.; Hermansen, Cecilie; Heckrath, Goswin.

    In: Sensors (Switzerland), Vol. 20, No. 18, 5419, 09.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  3. E-pub ahead of print

    Total Phosphorus Determination in Soils Using Laser-Induced Breakdown Spectroscopy : Evaluating Different Sources of Matrix Effects. / Sanchez, Sara; Knadel, Maria; Labouriau, Rodrigo; Rubæk, Gitte Holton; Heckrath, Goswin Johann.

    In: Applied Spectroscopy, 07.2020, p. 1-12.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  4. Published

    Predicting the dry bulk density of soils across Denmark : Comparison of single-parameter, multi-parameter, and vis–NIR based models. / Katuwal, Sheela; Knadel, Maria; Norgaard, Trine; Moldrup, Per; Greve, Mogens H.; de Jonge, Lis W.

    In: Geoderma, Vol. 361, 114080, 03.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. Published

    Predicting glyphosate sorption across New Zealand pastoral soils using basic soil properties or Vis–NIR spectroscopy. / Hermansen, Cecilie; Norgaard, Trine; Wollesen de Jonge, Lis; Moldrup, Per; Müller, Karin; Knadel, Maria.

    In: Geoderma, Vol. 360, 114009, 15.02.2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  6. Published

    Combining visible near-infrared spectroscopy and water vapor sorption for soil specific surface area estimation. / Knadel, Maria; de Jonge, Lis Wollesen; Tuller, Markus; Rehman, Hafeez Ur; Jensen, Peter Weber; Moldrup, Per; Greve, Mogens H.; Arthur, Emmanuel.

    In: Vadose Zone Journal, Vol. 19, No. 1, e20007, 2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. Published

    Estimating coefficient of linear extensibility using Vis–NIR reflectance spectral data : Comparison of model validation approaches. / Rehman, Hafeez Ur; Arthur, Emmanuel; Tall, Andrej; Knadel, Maria.

    In: Vadose Zone Journal, Vol. 19, No. 1, e20057, 2020.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. 2019
  9. Published

    The Relation between Soil Water Repellency and Water Content Can Be Predicted by Vis-NIR Spectroscopy. / Hermansen, Cecilie; Møldrup, Per; Müller, Karin; Knadel, Maria; de Jonge, Lis Wollesen.

    In: Soil Science Society of America Journal, Vol. 83, No. 6, 12.2019, p. 1616-1627.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  10. Published

    Comparison of cation exchange capacity estimated from Vis–NIR spectral reflectance data and a pedotransfer function. / Rehman, Hafeez Ur; Knadel, Maria; de Jonge, Lis W.; Moldrup, Per; Greve, Mogens H.; Arthur, Emmanuel.

    In: Vadose Zone Journal, Vol. 18, No. 1, 0192, 06.2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. Published

    On-the-Go Sensor Fusion for Prediction of Clay and Organic Carbon Using Pre-processing Survey, Different Validation Methods, and Variable Selection. / Tabatabai, Salman; Knadel, Maria; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    In: Soil Science Society of America Journal, Vol. 83, No. 2, 30.03.2019, p. 300-310.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  12. Published

    Estimating Soil Particle Density using Visible Near-infrared Spectroscopy and a Simple, Two-compartment Pedotransfer Function. / Marakkala Manage, Lashya P; Katuwal, Sheela; Nørgaard, Trine; Knadel, Maria; Møldrup, Per; de Jonge, Lis Wollesen; Greve, Mogens Humlekrog.

    In: Soil Science Society of America Journal, Vol. 83, No. 1, 02.2019, p. 37-47.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  13. Published

    Soil organic carbon predictions in Subarctic Greenland by visible–near infrared spectroscopy. / Ogrič, M.; Knadel, M.; Kristiansen, S. M.; Peng, Y.; De Jonge, L. W.; Adhikari, K.; Greve, M. H.

    In: Arctic, Antarctic, and Alpine Research, Vol. 51, No. 1, 01.2019, p. 490-505.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  14. Published

    Comparing Visible-Near-Infrared Spectroscopy and a Pedotransfer Function for Predicting the Dry Region of the Soil-Water Retention Curve. / Pittaki-Chrysodonta, Zampela; Arthur, Emmanuel; Moldrup, Per; Knadel, Maria; Norgaard, Trine; Iversen, Bo; de Jonge, Lis Wollesen.

    In: Vadose Zone Journal, Vol. 18, No. 1, 180180, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. Published

    Estimating Atterberg limits of fine-grained soils by visible near-infrared spectroscopy. / Rehman, Hafeez Ur; Knadel, Maria; Kayabali, Kamil; Arthur, Emmanuel.

    In: Vadose Zone Journal, Vol. 18, No. 1, 190039, 2019.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  16. Published

    Predicting Glyphosate Sorption Across New Zealand Pastoral Soils Using Basic Soil Properties or Vis–NIR Spectroscopy. / Hermansen, Cecilie; Møldrup, Per; Müller, Karin; Knadel, Maria; Greve, Mogens Humlekrog; de Jonge, Lis Wollesen.

    2019. Abstract from 2018 - 2019 SSSA International Soils Meeting , San Diego, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  17. Published

    Predicting coefficient of linear extensibility and Atterberg limits of fine-grained soils using vis-NIR spectra. / Rehman, Hafeez Ur; Kayabali, Kamil; Tall, Andrej; Knadel, Maria; de Jonge, Lis Wollesen; Arthur, Emmanuel.

    2019. Abstract from 2018 - 2019 SSSA International Soils Meeting , San Diego, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  18. Published

    Predicting the Campbell-Shiozawa soil-water retention function for the dry region : Comparing visible – near infrared spectroscopy with a classical pedotransfer function. / Chrysodonta, Zampela Pittaki; Arthur, Emmanuel; Moldrup, Per; Knadel, Maria; Norgaard, Trine; Iversen, Bo Vangsø; de Jonge, Lis Wollesen.

    2019. Poster session presented at 2018 - 2019 SSSA International Soils Meeting , San Diego, United States.

    Research output: Contribution to conferencePosterResearch

  19. Published

    Space-borne remote spectroscopy for soil properties’ determination. / Knadel, Maria; Greve, Mogens Humlekrog; Debane, Guillaume ; Niedzwiecki, Jacek ; Malinowski, Radoslaw.

    2019. Poster session presented at 2019 Joint workshop for Digital Soil Mapping and Global Soil Map IUSS Working groups, Santiago, Chile.

    Research output: Contribution to conferencePosterResearch

  20. Published

    The Relation between Soil Water Repellency and Water Content can be Predicted by Vis–NIR Spectroscopy. / Hermansen, Cecilie; Møldrup, Per; Müller, Karin; Knadel, Maria; Greve, Mogens Humlekrog; de Jonge, Lis Wollesen.

    2019. Abstract from 2018 - 2019 SSSA International Soils Meeting , San Diego, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  21. Published

    Visible Near-infrared Spectroscopy and Water Vapor Sorption for Soil Specific Surface Area Estimation. / Knadel, Maria; de Jonge, Lis Wollesen; Tuller, Markus; Rehman, Hafeez Ur; Jensen, Peter Weber; Møldrup, Per; Greve, Mogens Humlekrog.

    2019. Poster session presented at World Soils user consultation meeting , Frascati, Italy.

    Research output: Contribution to conferencePosterResearch

  22. 2018
  23. Published

    Visible–Near-Infrared Spectroscopy can predict Mass Transport of Dissolved Chemicals through Intact Soil. / Katuwal, Sheela; Knadel, Maria; Moldrup, Per; Norgaard, Trine; Greve, Mogens H.; de Jonge, Lis W.

    In: Scientific Reports, Vol. 8, No. 1, 11188, 01.12.2018, p. 1-9.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  24. Published

    Applicability of the Guggenheim–Anderson–Boer water vapour sorption model for estimation of soil specific surface area. / Arthur, Emmanuel; Tuller, Markus; Møldrup, Per; Greve, Mogens Humlekrog; Knadel, Maria; de Jonge, Lis Wollesen.

    In: European Journal of Soil Science, Vol. 69, No. 2, 03.2018, p. 245-255.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. Published

    Combining X-ray computed tomography and visible near-infrared spectroscopy for prediction of soil structural properties. / Katuwal, Sheela; Hermansen, Cecilie; Knadel, Maria; Møldrup, Per; Greve, Mogens Humlekrog; de Jonge, Lis Wollesen.

    In: Vadose Zone Journal, Vol. 17, No. 1, 2018, p. 1-13.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  26. Published

    Predicting soil cation exchange capacity for variable soil types with visible near infrared spectra. / Rehman, Hafeez Ur; Knadel, Maria; de Jonge, Lis Wollesen; Arthur, Emmanuel.

    2018. Poster session presented at EGU2018 European Geosciences Union General Assembly 2018, Vienna, Austria.

    Research output: Contribution to conferencePosterResearch

  27. Published

    Predicting the Campbell Soil Water Retention Function: Comparing Visible–Near-Infrared Spectroscopy with Classical Pedotransfer Function. / Chrysodonta, Zampela Pittaki; Møldrup, Per; Knadel, Maria; Iversen, Bo Vangsø; Greve, Mogens Humlekrog; de Jonge, Lis Wollesen.

    In: Vadose Zone Journal, Vol. 17, No. 1, 2018, p. 1-12.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  28. Published

    Soil Specific Surface Area Determination by Visible Near-Infrared Spectroscopy. / Knadel, Maria; Arthur, Emmanuel; Jensen, Peter Weber; Møldrup, Per; Greve, Mogens Humlekrog; Chrysodonta, Zampela Pittaki; de Jonge, Lis Wollesen.

    In: Soil Science Society of America Journal, Vol. 82, No. 5, 2018, p. 1046-1056.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  29. Published

    Visible-Near-Infrared Spectroscopy Prediction of Soil Characteristics as Affected by Soil-Water Content. / Marakkala Manage, Lashya P; Greve, Mogens Humlekrog; Knadel, Maria; Møldrup, Per; de Jonge, Lis Wollesen; Katuwal, Sheela.

    In: Soil Science Society of America Journal, Vol. 82, No. 6, 2018, p. 1333-1346.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  30. 2017
  31. Published

    Application of the Guggenheim-Anderson-de Boer model to estimate soil specific surface area from water vapor sorption isotherms. / Arthur, Emmanuel; Tuller, Markus; Moldrup, Per; Knadel, Maria; de Jonge, Lis Wollesen.

    2017. Poster session presented at ASA, CSSA, and SSSA International Annual meeting, Tampa, United States.

    Research output: Contribution to conferencePosterResearch

  32. Published

    A data analysis workflow to enhance clay and organic carbon models using proximal Vis-NIR data. / Tabatabai, Salman; Knadel, Maria; Greve, Mogens Humlekrog.

    2017. Abstract from 2017 Canadian Society of Soil Science Annual Meeting, Petersborough, Canada.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  33. Published

    Can soil structural properties derived using X-ray computed tomography be predicted with Visible-Near-Infrared spectroscopy? / Katuwal, Sheela; Hermansen, Cecilie; Knadel, Maria; Møldrup, Per; Greve, Mogens Humlekrog; de Jonge, Lis Wollesen.

    2017. Poster session presented at ICNIRS 18th International Conference on Near Infrared Spectroscopy, København, Denmark.

    Research output: Contribution to conferencePosterResearch

  34. Published

    Comparing predictive ability of laser-induced breakdown spectroscopy to visible near-infrared spectroscopy for soil property determination. / Knadel, Maria; Gislum, René; Hermansen, Cecilie; Peng, Yi; Møldrup, Per; de Jonge, Lis Wollesen; Greve, Mogens Humlekrog.

    In: Biosystems Engineering, Vol. 156, 2017, p. 157-172.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  35. Published

    Complete Soil Texture is Accurately Predicted by Visible Near-Infrared Spectroscopy. / Hermansen, Cecilie; Knadel, Maria; Møldrup, Per; Greve, Mogens Humlekrog; Karup, Dan; de Jonge, Lis Wollesen.

    In: Soil Science Society of America Journal, Vol. 81, No. 4, 2017, p. 758-769.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  36. Published

    Laser Induced Breakdown Spectroscopy for Soil Specific Surface Area Estimation. / Knadel, Maria; Hermansen, Cecilie; Møldrup, Per; Greve, Mogens Humlekrog; Arthur, Emmanuel; de Jonge, Lis Wollesen.

    2017. Poster session presented at 9th Euro-Mediterranean Symposium on LIBS , Pisa, Italy.

    Research output: Contribution to conferencePosterResearch

  37. Published

    Moisture effects on the Vis–NIR Spectroscopy predictions of soil texture and soil organic carbon. / Marakkala Manage, Lashya P; Knadel, Maria; Greve, Mogens Humlekrog.

    2017. Abstract from ICNIRS 18th International Conference on Near Infrared Spectroscopy, København, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  38. Published

    Prediction of Clay/Organic Carbon Ratio Using On-The-Go Proximal Spectroscopy. / Tabatabai, Salman; Knadel, Maria; Greve, Mogens Humlekrog; Marakkala Manage, Lashya P.

    2017. Abstract from 18th International Conference on Near Infrared Spectroscopy, Copenhagen, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  39. Published

    Supplementing predictive mapping of acid sulfate soil occurrence with Vis-NIR spectroscopy. / Beucher, Amélie; Peng, Yi; Knadel, Maria; Greve, Mogens Humlekrog.

    2017. Abstract from Pedometrics Conference, Wageningen, Netherlands.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  40. Published

    Testing The Ability Of Vis-Nir Spectroscopy To Estimate Soil Specific Surface Area. / Knadel, Maria; Jensen, Peter Weber; Arthur, Emmanuel; Katuwal, Sheela; de Jonge, Lis Wollesen.

    2017. Poster session presented at ICNIRS 18th International Conference on Near Infrared Spectroscopy, København, Denmark.

    Research output: Contribution to conferencePosterResearch

  41. 2016
  42. Published

    Can laser-induced breakdown spectroscopy be used as an accurate and fast method for determining total phosphorus in soils? / Sanchez-Esteva, S.; Knadel, Maria; Rubæk, Gitte Holton; Heckrath, Goswin Johann.

    2016. Abstract from 8th International Phosphorus Workshop IPW8, Rostock, Germany.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  43. Published

    Spektroskopi til bestemmelse af jordens egenskaber. / Greve, Mogens Humlekrog; Knadel, Maria; Peng, Yi; Gislum, René.

    Plantekongres 2016. 2016. p. 52-53.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsCommunication

  44. Published

    A global spectral library to characterize the world's soil. / A. Viscarra Rossel, Raphael; Behrens, T.; Ben Dor, E.; Brown, D. J. ; Demattê, J.A.M.; Shepherd, K.D.; Shi, Z; Stenberg, B.; Stevens, A.; Adamchuk, V.; Aïchi, H; Barthès, B. G.; Bartholomeus, H.M. ; Bayer, A.D.; Bernoux, M.; Böttcher, K.; Brodský, L.; Du, C.W.; Chappell, A.; Fouad, Y.; Genot, V.; Gomez, C.; Grunwald, S.; Gubler, A.; Guerrero, C.; Hedley, C.B.; Knadel, Maria; Morrás, H.J.M.; Nocita, M.; Ramirez-Lopez, L.; Roudier, P.; Rufasto Campos, E.M. ; Sanborn, P.; Sellitto, V.M.; Sudduth, K.A.; Rawlins, B.G.; Walter, C.; Winowiecki, L.A.; Hong, S.Y.; Ji, W.

    In: Earth-Science Reviews, Vol. 155, 2016, p. 198-230.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  45. Published

    Assessing soil water repellency of a sandy field with visible near infrared spectroscopy. / Knadel, Maria; Masis Melendez, Federico; de Jonge, Lis Wollesen; Moldrup, Per; Arthur, Emmanuel; Greve, Mogens Humlekrog.

    In: Journal of Near Infrared Spectroscopy, Vol. 24, No. 3, 2016, p. 215-224.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  46. Published

    Clay content prediction using on-the-go proximal soil sensor fusion. / Tabatabai, Salman; Knadel, Maria; Greve, Mogens Humlekrog.

    2016. Abstract from SSSA 2016 , Phoenix, Arizona, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  47. Published

    Digital Mapping of Toxic Metals in Qatari Soils Using Remote Sensing and Ancillary Data. / Peng, Yi; Bou Kheir, Rania; Adhikari, Kabindra; Malinowski, Radoslaw; Greve, Mette Balslev; Knadel, Maria; Greve, Mogens Humlekrog.

    In: Remote Sensing, Vol. 8, No. 12, 1003, 2016.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  48. Published

    Field-scale predictions of soil contaminant sorption using visible–near infrared spectroscopy. / Paradelo Pérez, Marcos; Hermansen, Cecilie; Knadel, Maria; Moldrup, Per; Greve, Mogens Humlekrog; de Jonge, Lis Wollesen.

    In: Journal of Near Infrared Spectroscopy, Vol. 24, No. 3, 2016, p. 281-291.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  49. Published

    The Campbell Soil-Water Retention Function: Predictions Using Visible Near-Infrared Spectroscopy or Soil Fines. / Chrysodonta, Zampela Pittaki; Møldrup, Per; Hermansen, Cecilie; Knadel, Maria; Greve, Mogens Humlekrog; Iversen, Bo Vangsø; de Jonge, Lis Wollesen.

    2016. Abstract from SSSA 2016 , Phoenix, Arizona, United States.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  50. Published
  51. Published

    Visible–Near-Infrared Spectroscopy Can Predict the Clay/Organic Carbon and Mineral Fines/Organic Carbon Ratios. / Hermansen, Cecilie; Knadel, Maria; Møldrup, Per; Greve, Mogens Humlekrog; Gislum, René; de Jonge, Lis Wollesen.

    In: Soil Science Society of America Journal, Vol. 80, No. 6, 2016, p. 1486-1495.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  52. 2015
  53. Published

    Prediction of mineral fines to soil organic carbon ratio with visible near-infrared spectroscopy (vis-NIRS). / Hermansen, Cecilie; Knadel, Maria; Moldrup, Per; Greve, Mogens Humlekrog; Gislum, René; de Jonge, Lis Wollesen.

    2015. Abstract from ASA, CSSA and SSSA International Annual Meeting 2015, Minneapolis, United States.

    Research output: Contribution to conferenceConference abstract for conferenceCommunication

  54. Published

    Prediction of particle size distribution with visible near-infrared spectroscopy. / Hermansen, Cecilie; Knadel, Maria; Moldrup, Per; Greve, Mogens Humlekrog; Karup, Dan; de Jonge, Lis Wollesen.

    2015. Abstract from ASA, CSSA and SSSA International Annual Meeting 2015, Minneapolis, United States.

    Research output: Contribution to conferenceConference abstract for conferenceCommunication

  55. Published

    Best practice for upscaling soil carbon in South Greenland. / Ogric, Mateja; Adhikari, Kabindra; Herath, Lasantha; Knadel, Maria; Hermansen, Cecilie; de Jonge, Lis Wollesen; Kristiansen, Søren Munch; Larsen, Rene; Naveed, Muhammad; Norgaard, Trine; Peng, Yi; Rasmussen, Stig T.; Greve, Mogens Humlekrog.

    2015. Abstract from Polar Conference, Aalborg, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  56. Published

    Comparing predictive ability of Laser-Induced Breakdown Spectroscopy to Near Infrared Spectroscopy for soil texture and organic carbon determination. / Knadel, Maria; Peng, Yi; Gislum, René; Greve, Mogens Humlekrog.

    2015. Paper presented at 4th Global Workshop on Proximal Soil Sensing, Hanghzou, China.

    Research output: Contribution to conferencePaperResearch

  57. Published

    Determining the clay/organic carbon ratio by visible near infrared spectroscopy. / Knadel, Maria; Peng, Yi; Hermansen, Cecilie; Norgaard, Trine; Gislum, René; de Jonge, Lis Wollesen; Møldrup, Per; Greve, Mogens Humlekrog.

    2015. Abstract from 17th International Conference on Near Infrared Spectroscopy, Foz do Iguazu, Brazil.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  58. Published

    Estimations of Soil organic carbons pools in Southern Greenland. / Ogric, Mateja; Chellasamy, Menaka; Knadel, Maria; Greve, Mogens Humlekrog; Adhikari, Kabindra; H. Jakobsen, Bjarne; Kristiansen, Søren Munch.

    In: Geophysical Research Abstracts, Vol. Vol. 17, No. EGU2015-12205, 2015.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearch

  59. Published

    Mapping SOC in a river catchment by integrating laboratory spectra wavelength with remote sensing spectra. / Peng, Yi; Xiong, Xiong; Knadel, Maria; Grunwald, Sabine.

    2015. Abstract from 4th Global Workshop on Proximal Soil Sensing, Hanghzou, China.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  60. Published

    Microbiology of some Greenland soil. / Naveed, Muhammad; Ogric, Mateja; Adhikari, Kabindra; Herath, Lasantha; Knadel, Maria; Hermansen, Cecilie; Greve, Mogens Humlekrog; Kristiansen, Søren Munch; Larsen, Rene; Norgaard, Trine; Peng, Yi; Rasmussen, Stig T.; Møldrup, Per; de Jonge, Lis Wollesen.

    2015. Abstract from Polar Conference, Aalborg, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  61. Published

    Modeling Soil Organic Carbon at Regional Scale by Combining Multi-Spectral Images with Laboratory Spectra. / Peng, Yi; Xiong, Xiong; Adhikari, Kabindra; Knadel, Maria; Grunwald, Sabine; Greve, Mogens Humlekrog.

    In: P L o S One, Vol. 10, No. 11, e0142295, 2015.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  62. Published

    NIRS as an alternative to conventional soil analysis for Greenland soils (focus on SOC). / Knadel, Maria; Ogric, Mateja; Adhikari, Kabindra; Herath, Lasantha; Hermansen, Cecilie; de Jonge, Lis Wollesen; Kristiansen, Søren Munch; Larsen, Rene; Naveed, Muhammad; Norgaard, Trine; Peng, Yi; Rasmussen, Stig T.; Greve, Mogens Humlekrog.

    2015. Abstract from Polar Conference, Aalborg, Denmark.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  63. Published

    Soil Spectroscopy: An Alternative to Wet Chemistry for Soil Monitoring. / Nocita, M.; Stevens, A.; van Wesemael, Bas ; Aitkenhead, M.; Bachmann, M.; Barthès, B.; Ben Dor, E.; Brown, D. J. ; Clairotte, M.; Csorba, A.; Dardenne, P.; Demattê, J.A.M.; Genot, V.; Guerrero, C.; Knadel, Maria; Montanarella, L.; Noon, C.; Ramirez-Lopez, L.; Robertson, J.; Sakai, H.; Soriano-Disla, J.M.; Shepherd, K.D.; Stenberg, B; Towett, E.K.; Vargass, R.; Wetterlind, J.

    In: Advances in Agronomy, Vol. 132, 2015, p. 139-159.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  64. Published

    Soil organic carbon and particle sizes mapping using vis–NIR, EC and temperature mobile sensor platform. / Knadel, Maria; Thomsen, Anton Gårde; Schelde, Kirsten; Greve, Mogens Humlekrog.

    In: Computers and Electronics in Agriculture, Vol. 114, 2015, p. 134-144.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  65. 2014
  66. Published

    Using NIR Spectroscopy to Predict Sorption of Contaminants at Field Scale. / Paradelo Pérez, Marcos; Knadel, Maria; Moldrup, Per; Ferre, Ty Paul; de Jonge, Lis Wollesen.

    2014. Poster session presented at ASA, CSSA, & SSSA International Annual Meeting, Long Beach, California, United States.

    Research output: Contribution to conferencePosterResearch

  67. Published

    Differences in water balance for hydrological response units defined from mobile measurements of soil and crop parameters. / Vasquez, Vicente; Thomsen, Anton Gårde; Schelde, Kirsten; Knadel, Maria.

    2014. Poster session presented at EGU General Assembly 2014, Vienna, Austria.

    Research output: Contribution to conferencePosterResearch

  68. Published

    Modeling topsoil organic carbon by combining multi-spectral images with laboratory spectra. / Peng, Yi; Xiong, X.; Adhikari, Kabindra; Knadel, Maria; Grunwald, S.; Greve, Mogens Humlekrog.

    2014. Poster session presented at The 6th global workshop on digital Soil Mapping, China.

    Research output: Contribution to conferencePosterResearch

  69. Published

    Quantification of SOC and Clay Content Using Visible Near-Infrared Reflectance–Mid-Infrared Reflectance Spectroscopy With Jack-Knifing Partial Least Squares Regression. / Peng, Yi; Knadel, Maria; Gislum, René; Schelde, Kirsten; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    In: Soil Science, Vol. 179, No. 7, 2014, p. 325-332.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  70. Published

    The Effects of Moisture Conditions—From Wet to Hyper dry—On Visible Near-Infrared Spectra of Danish Reference Soils. / Knadel, Maria; Deng, Fan; Alinejadian, Afsaneh; de Jonge, Lis Wollesen; Møldrup, Per; Greve, Mogens Humlekrog.

    In: Soil Science Society of America Journal, Vol. 78, No. 2, 2014, p. 422-433.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  71. Published

    Using Vis-NIR spectroscopy for monitoring temporal changes of soil organic carbon. / Deng, Fan; Minasny, B.; Knadel, Maria.

    2014. Abstract from EGU General Assembly 2013, Vienna, Austria.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  72. 2013
  73. Published

    Quantification Of Soil Characteristics Using Vis-NIR and Mir Spectroscopy On a Field Scale. / Peng, Yi; Knadel, Maria; Gislum, René; Schelde, Kirsten; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    Water, Food, Energy & Innovation for a Sustainable World. 2013. 411-14.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  74. Published

    Application of a canopy multisensor. / Thomsen, Anton Gårde; Knadel, Maria; Schelde, Kirsten.

    2013. Abstract from International Symposium on Patterns in Soil-Vegetation-Atmosphere-Systems: Monitoring, Modelling & Data Assimilation, Bonn, Germany.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  75. Published

    Comparing predictive abilities of three visible-near infrared spectrophotometers for soil organic carbon and clay determination. / Knadel, Maria; Stenberg, Bo; Deng, Fan; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    In: Journal of Near Infrared Spectroscopy, Vol. 21, No. 1, 2013, p. 67-80.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  76. Published

    Copper Distribution Profiles in Soils From a Long-Term Polluted Field. / Paradelo Pérez, Marcos; Knadel, Maria; Møldrup, Per; Holmstrup, Martin; López Periago, J.E. ; de Jonge, Lis Wollesen.

    Water, Food, Energy & Innovation for a Sustainable World. 2013. 292-10.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  77. Published

    Fusing Proximal Sensing Data for Optimal Locations of Soil Moisture Monitoring Stations. / Knadel, Maria; Schelde, Kirsten; Thomsen, A.; Andersen, M.; Greve, Mogens Humlekrog.

    2013. Poster session presented at AGU Chapman Conference, Tuscon, Arizone, United States.

    Research output: Contribution to conferencePosterResearch

  78. Published

    Moisture effects on visible-near infrared soil spectra - from wet to hyper dry. / Knadel, Maria; Deng, Fan; Alinejadian, A.; de Jonge, Lis Wollesen; Møldrup, Per; Greve, Mogens Humlekrog.

    Water, Food, Energy & Innovation for a Sustainable World. 2013. 413-2.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  79. Published

    Optimal sampling and sample preparation for NIR-based prediction of field scale soil properties. / Knadel, Maria; Peng, Yi; Schelde, Kirsten; Thomsen, Anton Gårde; Deng, Fan; Greve, Mogens Humlekrog.

    2013. Poster session presented at EGU General Assembly 2013, Denmark.

    Research output: Contribution to conferencePosterResearch

  80. Published

    Predicting Soil Organic Carbon at Field Scale Using a National Soil Spectral Library. / Peng, Yi; Knadel, Maria; Gislum, René; Deng, Fan; Nørgaard, Trine; de Jonge, Lis Wollesen; Møldrup, Per; Greve, Mogens Humlekrog.

    In: Journal of Near Infrared Spectroscopy, Vol. 21, No. 3, 2013, p. 213-222.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  81. Published

    Sensor fusion for the identification of hydrologically uniform regions at field scale. / Knadel, Maria; Peng, Yi; Schelde, Kirsten; Thomsen, Anton Gårde; Deng, Fan; Greve, Mogens Humlekrog.

    2013. Abstract from International Symposium on Patterns in Soil-Vegetation-Atmosphere-Systems: Monitoring, Modelling & Data Assimilation, Bonn, Germany.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  82. Published

    Using Vis-NIR spectroscopy for monitoring temporal change of SOC. / Deng, Fan; Budiman, Minasny; Knadel, Maria; McBratney, Alex; Heckrath, Goswin Johann; Greve, Mogens Humlekrog.

    2013. Abstract from EGU General Assembly 2013, Vienna, Austria.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  83. Published

    Using Vis-NIR spectroscopy for monitoring temporal changes of soil organic carbon. / Deng, Fan; Minasny, Budiman; Knadel, Maria; McBratney, Alex; Heckrath, Goswin Johann; Greve, Mogens Humlekrog.

    In: Soil Science, Vol. 178, No. 8, 2013, p. 389-399.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  84. Published

    Visible–Near Infrared Spectra as a Proxy for Topsoil Texture and Glacial Boundaries. / Knadel, Maria; A. Viscarra Rossel, Raphael ; Deng, Fan; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    In: Soil Science Society of America Journal, Vol. 77, No. 2, 2013, p. 568-579.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  85. 2012
  86. Published

    Environment versus dispersal in the assembly of western Amazonian palm communities. / Kristiansen, Thea; Svenning, J.-C.; Eiserhardt, Wolf L.; Pedersen, Dennis; Brix, Hans; Kristiansen, Søren Munch; Knadel, Maria; Grández, C.; Balslev, Henrik.

    In: Journal of Biogeography, Vol. 39, No. 7, 01.07.2012, p. 1318-1332.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  87. Published

    Development of a Danish national vis—NIR soil spectral library for SOC determination. / Knadel, Maria; Deng, Fan; Greve, Mogens Humlekrog; Thomsen, Anton Gårde.

    2012. Paper presented at 5'th global workshop on Digital Soil Mapping 2012, Sydney, Australia.

    Research output: Contribution to conferencePaperResearch

  88. Published

    Development of a Danish national vis—NIR soil spectral library for SOC determination. / Knadel, Maria; Deng, Fan; Greve, Mogens Humlekrog.

    Digital Soil Assessments and Beyond: Proceedings of the 5th Global Workshop on Digital Soil Mapping 2012, Sydney, Australia. ed. / Alex B McBratney. Taylor & Francis Group, London, UK : CRC Press, 2012.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  89. Published

    Soil profile organic carbon prediction with Visible Near Infrared Reflec-tance spectroscopy based on a national database. / Deng, Fan; Knadel, Maria; Peng, Yi; Heckrath, Goswin Johann; Minasny, B. ; Greve, Mogens Humlekrog.

    2012. Paper presented at 5'th global workshop on Digital Soil Mapping 2012, Sydney, Australia.

    Research output: Contribution to conferencePaperResearch

  90. Published

    Soil profile organic carbon prediction with visible-near infrared reflectance spectroscopy based on a national database. / Deng, Fan; Knadel, Maria; Peng, Yi; Heckrath, Goswin Johann; Greve, Mogens Humlekrog; Minasny, B.

    Digital Soil Assessments and Beyond: Proceedings of the 5th Global Workshop on Digital Soil Mapping 2012, Sydney, Australia. ed. / Alex B McBratney . Taylor & Francis group, London, UK : CRC Press, 2012.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  91. Published

    Using visible-near infrared spectra to describe the distribution of Danish topsoils. / Knadel, Maria; Rossel, Raphael A. Viscarra; Deng, Fan; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    2012. Poster session presented at EUROSOIL 2012. Soil Science for the Benefit of Mankind and Environment. 4th International Congress of the European Confederation of Soil Science Societies (ECSSS), 2-6 July, Bari – Italy, Bari, Italy.

    Research output: Contribution to conferencePosterResearch

  92. Published

    Vis-NIRS sensor fusion for local, regional and global calibrations of SOC content. / Knadel, Maria; Deng, Fan; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    2012. Abstract from EGU, Vienna, Austria.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  93. 2011
  94. Published

    Teksturanalyse : Metoder og udfordringer. / Borggaard, Ole K.; Dalsgaard, Kristian; Kristiansen, Søren Munch; Rasmussen, Charlotte; Knadel, Maria; Knudsen, Leif.

    Jordanalyser - kvalitet og anvendelse. ed. / Gitte H. Rubæk; Peter Sørensen. Aarhus Universitet, 2011. p. 74-83 (DCA rapport; No. 002).

    Research output: Contribution to book/anthology/report/proceedingReport chapterCommissioned

  95. Published

    Multisensor On-The-Go Mapping of Soil Organic Carbon Content. / Knadel, Maria; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    In: Soil Science Society of America Journal, Vol. 75, No. 5, 30.09.2011, p. 1799-1806.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  96. Published

    Feasibility of using Vis-NIR spectroscopy to determine soil organic carbon in subsoil. / Deng, Fan; Knadel, Maria; Peng, Yi; Abdollahi, Lotfollah; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    Book of abstracts - Pedometrics 2011 Innovations in Pedometrics. 2011. p. 106-106.

    Research output: Contribution to book/anthology/report/proceedingConference abstract in proceedingsResearch

  97. Published

    Development of near infrared spectral library of Danish soils. / Deng, Fan; Knadel, Maria; Thomsen, Anton Gårde; Greve, Mogens Humlekrog.

    The Second Global Workshop on Proximal Soil Sensing: Program and Proceedings. ed. / V.I. Adamshuk; R.A. Viscarra Rossel. Monreal, Quebec, Canada : IUSS Working Group on Proximal Soil Sensing, 2011. p. 96-99.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  98. 2010
  99. Published

    Data pretreatment for improved spectroscopic prediction of soil organic carbon content. / Deng, Fan; Knadel, Maria; Thomsen, Anton; Greve, Mogens Humlekrog.

    1st International Conference and Exploratory Workshop on Soil Architecture and Physico-Chemical Functions "CESAR". Aarhus Universitet, Det Jordbrugsvidenskabelige Fakultet, 2010. p. 59-62.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  100. Published

    Sampling Intensity Required to Adequately Describe Soil Variations at three Danish Ecosystems Heather, Oak and Spruce : Heather, Oak and Spruce. / Kristiansen, Søren Munch; Knadel, Maria; Rowland, Jennifer; Nørnberg, Per.

    2010. Abstract from  19th World Congress of Soil Science, Brisbane, Australia.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  101. Published

    The potential of  mobile VIS/NIR measurements in TOC prediction and organic soils delineation of the peat field in different field conditions. / Knadel, Maria; Greve, Mogens Humlekrog; Thomsen, Anton.

    NIR on the GO 2010 - IV Conference. 2010. p. 77-81.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch

  102. 2009
  103. Published

    NIR mapping of TOC and extent of organic soils in the Nørre Å valley. / Knadel, Maria; Greve, Mogens Humlekrog; Thomsen, Anton.

    2009. Abstract from EGU, General Assembly 2009, Wien, Austria.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  104. Published

    VIS/NIR mapping of TOC and extent of organic soils in the Nørre Å valley. / Knadel, Maria; Greve, Mogens Humlekrog; Thomsen, Anton.

    In: NJF Report, No. 413, 2009, p. 4-4.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperConference abstract in journalResearch

  105. 2008
  106. Published

    VIS/NIR mapping of TOC and extent of organic soils in the Nørre Å valley. / Knadel, Maria; Greve, Mogens Humlekrog; Thomsen, Anton.

    3rd Global Workshop on Digital Soil Mapping: Bridging Research, Production, and Environmental Applications (cd). 2008.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearch