Geoffrey Brian Groom

2023

Vejbarrierer for odder i Nordsjælland

Elmeros, M. & Groom, G. B., Jan 2023, Aarhus University, DCE - Danish Centre for Environment and Energy. 90 p. (Teknisk rapport fra DCE - Nationalt Center for Miljø og Energi; No. 264).

Research output: Book/anthology/dissertation/report › Report › Research › peer-review

Open Access

2021

Dune Sand – Object based image analysis for vectorization of a dotted signature in Danish late 1800s maps

Groom, G. B., Levin, G., Svenningsen, S. & Perner, M. L., 2021, 15th ICA Conference Digital Approaches to Cartographic Heritage: Conference Proceedings. Tsorlini, A. & Boutoura, C. (eds.). International Cartographic Association, p. 207-217 11 p.

Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review

Dune Sand – Object based image analysis for vectorization of a dotted signature in Danish late 1800s maps

Groom, G. B., Levin, G., Svenningsen, S. & Perner, M. L., 2021, In: e-Perimetron. 16, 4, p. 156-165 10 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Investigating land area categories in large-scale historical topographic maps in relation to analysing landscape change: From 19th century military assessment of landscape trafficability to 21st century land use and land cover categories

Svenningsen, S., Perner, M. L., Levin, G. & Groom, G. B., May 2021, Digital approaches to cartographic heritage: Conference proceedings. Tsorlini, A. & Boutoura, C. (eds.). AUTH CartoGeoLab, p. 164-178

Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research

Modellering af statsvejnettets fragmentering af vilde dyrs levesteder

Groom, G. B. & Elmeros, M., 15 Jul 2021, Aarhus University, DCE - Danish Centre for Environment and Energy. 34 p. (Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi; No. 455).

Research output: Book/anthology/dissertation/report › Report › Research › peer-review

Research project on field data collection for honey bee colony model evaluation

Dupont, Y. L., Capela, N., Kryger, P., Alves, J., Axelsen, J. A., Greve, M. B., Bruus, M., Castro, S., Ørnholm Frederiksen, J., Groom, G. B., Jeppesen, A. S., Lichtenberg-Kraag, B., Lopez, S., Pinto, M. A., Antonio, A. D. S., Strandberg, B., Sørensen, P. B. & Sousa, J. P., Jul 2021, In: EFSA Supporting Publications. 18, 7, 106 p., EN-6695.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Open Access

Special issue on Nordic Remote Sensing: Data acquisition, algorithms and applications

Alexander, C., Groom, G. B., Kaasalainen, S. & Sigmundsson, F., Dec 2021, In: International Journal of Applied Earth Observation and Geoinformation. 104, 2 p., 102562.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Editorial › peer-review

Open Access

2020

Automated production of spatial datasets for land categories from historical maps: Method development and results for a pilot study of Danish late-1800s topographical maps

Levin, G., Groom, G. B., Svenningsen, S. R. & Linnet Perner, M., 2020, Aarhus: Århus Universitet. 121 p. (Scientific Report from DCE - Danish Centre for Environment and Energy; No. 369).

Research output: Book/anthology/dissertation/report › Report › Research › peer-review

Open Access

Historical Maps – Machine learning helps us over the map vectorisation crux

Groom, G. B., Levin, G., Svenningsen, S. & Perner, M. L., 2020.

Research output: Contribution to conference › Paper › Research

Open Access

2019

Anvendelse af økologiske tilstandselementer i blødbundsvandløb

Kjeldgaard, A., Groom, G. B., Thiemer, K., Fejerskov, M. L. & Larsen, S. E., 2019, 37 p.. (Notat fra DCE - Nationalt Center for Miljø og Energi).

Research output: Memorandum/exposition › Memorandum

Use of remote sensing technologies for monitoring chlorophyll a and submerged aquatic vegetation in Danish coastal waters: Part of the RESTEK project (Brug af remote sensing teknologier til opgørelse af klorofyl-a koncentrationer og vegetationsudbredelse i danske kystvande)

Stæhr, P. A., Groom, G. B., Krause-Jensen, D., Hansen, L. B., Huber, S., Jensen, L. Ø., Rasmussen, M. B., Upadhyay, S. & Ørberg, S. B., 2019, Aarhus University, DCE - Danish Centre for Environment and Energy. 62 p. (Technical Report from DCE – Danish Centre for Environment and Energy; No. 139).

Research output: Book/anthology/dissertation/report › Report › Commissioned

Open Access

2018

Developing biodiversity proxies: Technical description

Groom, G. B., Bladt, J., Moeslund, J. E. & Ejrnæs, R., 2018, Aarhus University, DCE - Danish Centre for Environment and Energy. 42 p. (Technical Report from DCE – Danish Centre for Environment and Energy; No. 123).

Research output: Book/anthology/dissertation/report › Report › Research › peer-review

Open Access

File

206 Downloads (Pure)

Kortlægning af ålegræsenge med ortofotos: - muligheder og begrænsninger

Bachmann Ørberg, S., Groom, G. B., Kjeldgaard, A., Carstensen, J., Rasmussen, M. B., Clausen, P. & Krause-Jensen, D., 27 Feb 2018, Aarhus University, DCE - Danish Centre for Environment and Energy. 68 p. (Videnskabelig rapport fra DCE - Nationalt Center for Miljø og Energi; No. 265).

Research output: Book/anthology/dissertation/report › Report › Commissioned › peer-review

Literature review of remote sensing technologies for coastal chlorophyll-a observations and vegetation coverage. Part of ReSTEK (Brug af Remote Sensing teknologier til opgørelse af klorofylkoncentrationer og vegetationsudbredelse i danske kystvande) and DCE Remote sensing in coastal area projects

Harvey, T., Krause-Jensen, D., Stæhr, P. A., Groom, G. B. & Boye Hansen, L., 2018, Aarhus University, DCE - Danish Centre for Environment and Energy. 47 p. (Technical Report from DCE – Danish Centre for Environment and Energy; No. 112).

Research output: Book/anthology/dissertation/report › Report › Commissioned

Open Access

Mapping eelgrass beds with orthophotos

Ørberg, S. B., Groom, G. B., Kjeldgaard, A., Carstensen, J., Rasmussen, M. B., Clausen, P. & Krause-Jensen, D., 2018.

Research output: Contribution to conference › Conference abstract for conference › Research

Videreudvikling af lokal bioscore for biodiversitetskortet for Danmark

Ejrnæs, R., Moeslund, J. E., Brunbjerg, A. K., Groom, G. B. & Bladt, J., Aug 2018, Aarhus University, DCE - Danish Centre for Environment and Energy. 46 p. (Teknisk rapport fra DCE - Nationalt Center for Miljø og Energi, Vol. 122).

Research output: Book/anthology/dissertation/report › Report › Commissioned

2017

Do Remote Sensing Mapping Practices Adequately Address Localized Flooding? A Critical Overview

Malinowski, R., Groom, G. B., Heckrath, G. J. & Schwanghart, W., 2017, In: Springer Science Reviews. p. 1-17 17 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Review › Research › peer-review

2016

A Non-destructive Photo Sampling Technique for Dreyfusia nordmannianae (Hemiptera: Adelgidae) on Nordmann fir (Abies nordmanniana) Saplings

Lassen, J. W., Offenberg, H. J. & Groom, G. B., 2016, (Submitted) In: Agricultural and Forest Entomology.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

Local-scale flood mapping on vegetated floodplains from radiometrically calibrated airborne LiDAR data

Malinowski, R., Höfle, B., König, K., Groom, G. B., Schwanghart, W. & Heckrath, G. J., 2016, In: ISPRS Journal of Photogrammetry and Remote Sensing. 119, p. 267-279 13 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

17 Citations (Scopus)

Udvikling af indikatorer for vegetationsstruktur til biodiversitetskortet

Groom, G. B. & Ejrnæs, R., Dec 2016, Aarhus University, DCE - Danish Centre for Environment and Energy. 57 p.

Research output: Book/anthology/dissertation/report › Report › Commissioned

2015

Detection and Delineation of Localized Flooding from WorldView-2 Multispectral Data

Malinowski, R., Groom, G. B., Schwanghart, W. & Heckrath, G. J., 2015, In: Remote Sensing. 7, 11, p. 14853-14875

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

64 Citations (Scopus)

First year post-construction monitoring of birds at Wind Turbine Test Centre Østerild

Therkildsen, O. R., Balsby, T. J. S., Groom, G. B., Nielsen, R. D., Haugaard, L., Nielsen , H. H. & Kjeldsen, J. P., 2015, First year post-construction monitoring of bats and birds at Wind Turbine Test Centre Østerild. Therkildsen, O. R. & Elmeros, M. (eds.). Aarhus University, DCE - Danish Centre for Environment and Energy, Vol. 133. p. 35-125

Research output: Contribution to book/anthology/report/proceeding › Report chapter › Commissioned

Open Access

File

160 Downloads (Pure)

Flock distributions of Lesser Flamingos Phoeniconaias minor as potential responses to food abundance-predation risk trade-offs at Kamfers Dam, South Africa

Henriksen, M., Hangstrup, S., Work, F. J., Krogsgaard, M., Groom, G. B. & Fox, A. D., 2015, In: Wildfowl. 65, p. 3-18 16 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

18 Citations (Scopus)

Remote sensing based classification of structural elements of coastal habitats

Groom, G. B., Juel, A. & Ejrnæs, R., 2015, 45 p. (Scientific Report from DCE - Danish Centre for Environment and Energy; No. 144).

Research output: Book/anthology/dissertation/report › Report › Commissioned

Spatial application of Random Forest models for fine-scale coastal vegetation classification using object based analysis of aerial orthophoto and DEM data

Juel, A., Groom, G. B., Svenning, J.-C. & Ejrnaes, R., Oct 2015, In: International Journal of Applied Earth Observation and Geoinformation. 42, p. 106-114 9 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

72 Citations (Scopus)

Spatial autocorrelation leads to over optimistic assessments of predictive accuracy in orthophoto-based habitat mapping

Juel, A., Groom, G. B., Svenning, J.-C. & Ejrnæs, R., 2 Jul 2015, In: International Journal of Applied Earth Observation and Geoinformation. p. 106-114

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

The potential for incorporating remote sensing methods in the national monitoring programme (NOVANA): Briefing Paper from DCE : Danish Centre for Environment and Energy

Groom, G. B. & Juel, A., 2015, 10 p.

Research output: Book/anthology/dissertation/report › Report › Commissioned

2014

Bird mapping with images: the past, and the future for flamingo counting?

Groom, G. B., Petersen, I. K. & Nielsen, R. D., 2014. 6 p.

Research output: Contribution to conference › Paper › Research

Mapping of local-scale flooding on vegetated floodplains from radiometrically calibrated airborne laser scanning data

Malinowski, R., Höfle, B., König, K., Groom, G. B., Schwanghart, W. & Heckrath, G. J., 2014, In: Geophysical Research Abstracts. 16, EGU2014-11204.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference abstract in journal › Research › peer-review

2013

Combining high resolution imagery and pattern recognition software to map seabird distributions

Petersen, I. K., Groom, G. B., Stjernholm, M. & Nielsen, R. D., 2013.

Research output: Contribution to conference › Poster › Communication

Combining high resolution imagery and pattern recognition software to map seabird distributions

Petersen, I. K., Groom, G. B., Stjernholm, M. & Nielsen, R. D., 2013.

Research output: Contribution to conference › Poster › Research

Feltmetode til validering af telemålingsbaseret overvågning af kysthabitat-struktur

Juel, A., Groom, G. B., Ejrnæs, R. & Fredshavn, J. R., 1 Jul 2013, Aarhus University, DCE - Danish Centre for Environment and Energy. 11 p. (Teknisk anvisning fra Fagdatacenter for Biodiversitet og Terrestrisk Natur, DCE; No. N06).

Research output: Book/anthology/dissertation/report › Report › Commissioned

Flow network derivation from a high resolution DEM in a low relief, agrarian landscape

Schwanghart, W., Groom, G., Kuhn, N. J. & Heckrath, G., 1 Oct 2013, In: Earth Surface Processes and Landforms. 38, 13, p. 1576-1586 11 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

49 Citations (Scopus)

Integration of field survey and orthophoto information to monitor coastal habitats: - a pilot study to develop methods and resolve key issues

Juel, A., Ejrnæs, R., Fredshavn, J. R. & Groom, G. B., Mar 2013, In: Ecological Informatics. 14, p. 48-52 5 p.

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Conference article › Research › peer-review

3 Citations (Scopus)

Ornithological surveys in the Baltic 2 wind farm area using high-resolution digital imagery: Survey Report #1

Petersen, I. K., Nielsen, R. D., Stjernholm, M. & Groom, G. B., 2013, Aarhus University, DCE - Danish Centre for Environment and Energy. 24 p.

Research output: Book/anthology/dissertation/report › Report › Commissioned

Ornithological surveys in the Ormonde Wind Farm Area: using high-resolution imagery

Petersen, I. K., Nielsen, R. D., Stjernholm, M. & Groom, G. B., 2013, Aarhus University, DCE - Danish Centre for Environment and Energy. 22 p.

Research output: Book/anthology/dissertation/report › Report › Commissioned

Ornithological surveys in the Walney 1 and Walney 2 Windfarm Area: using high-resolution imagery

Petersen, I. K., Nielsen, R. D., Stjernholm, M. & Groom, G. B., 2013, Aarhus University, DCE - Danish Centre for Environment and Energy. 15 p.

Research output: Book/anthology/dissertation/report › Report › Commissioned

Remote sensing image data and automated analysis to describe marine bird distributions and abundances

Groom, G. B., Stjernholm, M., Nielsen, R. D., Fleetwood, A. & Petersen, I. K., 2013, In: Ecological Informatics. 14, p. 2-8

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaper › Journal article › Research › peer-review

46 Citations (Scopus)

Udvikling af redskaber til automatisk registering af § 3-beskyttede vandhuller

Groom, G. B., Stjernholm, M. & Nygaard, B., 2013, 16 p.. Oct 09, 2013.

Research output: Memorandum/exposition › Memorandum

Udvikling af redskaber til automatisk registrering af § 3-beskyttede vandhuller

Groom, G. B., Stjernholm, M. & Nygaard, B., 2013, 16 p.. Oct 09, 2013.

Research output: Memorandum/exposition › Memorandum

2012

Baseline investigations of birds at Wind Turbine Test Centre Østerild

Therkildsen, O. R., Kahlert, J. A., Groom, G. B., Kjeldsen, J. P., Nielsen, H. H., Nielsen, R. D. & Desholm, M., 2012, Baseline investigations of bats and birds at Wind Turbine Test Centre Østerild. Aarhus University, DCE - Danish Centre for Environment and Energy, p. 35-128 (Scientific Report from DCE - Danish Centre for Environment and Energy; No. 28).

Research output: Contribution to book/anthology/report/proceeding › Report chapter › Commissioned