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Københavns Universitet: København K, DK

Employment
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University of Copenhagen

University og Copenhagen, Denmark: Copenhagen, DK

2015-05-01 to present | Associate Professor (Department of Geosciences and Natural Resources Management)
Employment
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Majken Looms

University of Copenhagen: Copenhagen, DK

2009-08 to 2015-05-01 | Assistant Professor
Employment
Source: Self-asserted source
Majken Looms

University of Copenhagen: Copenhagen, DK

2007-11 to 2009-08 | Post Doc
Employment
Source: Self-asserted source
Majken Looms

University of Copenhagen: Copenhagen, DK

2007-02 to 2007-11 | Post Doc
Employment
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Majken Looms

Education and qualifications (2)

University of Copenhagen: Copenhagen, DK

2003-05 to 2007-07 | PhD (Department of Geography and Geology)
Education
Source: Self-asserted source
Majken Looms

Technical University of Denmark: Kgs. Lyngby, DK

1997-09 to 2003-02 | M.Sc.
Education
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Majken Looms

Works (50 of 107)

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Systematic review of the detection of subsurface drainage systems in agricultural fields using remote sensing systems

Agricultural Water Management
2024 | Journal article
Contributors: Carlsen, Ask Holm; Fensholt, Rasmus; Looms, Majken Caroline; Gominski, Dimitri; Stisen, Simon; Jepsen, Martin Rudbeck
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Advancing measurements and representations of subsurface heterogeneity and dynamic processes: towards 4D hydrogeology

Hydrology and Earth System Sciences
2023 | Journal article
Contributors: Hermans, Thomas; Goderniaux, Pascal; Jougnot, Damien; Fleckenstein, Jan H.; Brunner, Philip; Nguyen, Frederic; Linde, Niklas; Huisman, Johan Alexander; Bour, Olivier; Lopez Alvis, Jorge et al.
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Crosshole Ground-Penetrating Radar in Clay-Rich Quaternary Deposits: Toward Characterization of High-Loss Media

Journal of Geophysical Research: Solid Earth
2023 | Journal article
Contributors: Svendsen, E. B.; Nielsen, L.; Nilsson, B.; Kjaer, K. H.; Looms, M. C.
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High-Resolution Geological Information from Crosshole Ground Penetrating Radar in Clayey Tills

Groundwater Monitoring & Remediation
2023 | Journal article
Contributors: Jensen, Bolette B. B.; Rosenberg, Louise; Tsitonaki, Aikaterini; Tuxen, Nina; Bjerg, Poul L. L.; Nielsen, Lars; Hansen, Thomas M. M.; Looms, Majken C. C.
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Mapping spatiotemporal soil moisture in highly heterogeneous agricultural landscapes using mobile dual-spectra cosmic-ray neutron sensing

Vadose Zone Journal
2023 | Journal article
Contributors: Andreasen, Mie; Kragh, Soren Julsgaard; Meyer, Rena; Jensen, Karsten Hogh; Looms, Majken C.
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Point-scale multi-objective calibration of the Community Land Model (version 5.0) using in situ observations of water and energy fluxes and variables

Hydrology and Earth System Sciences
2023 | Journal article
Contributors: Denager, Tanja; Sonnenborg, Torben O.; Looms, Majken C.; Bogena, Heye; Jensen, Karsten H.
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Seasonal dynamics of canopy interception loss within a deciduous and a coniferous forest

Hydrological Processes
2023 | Journal article
Contributors: Andreasen, Mie; Christiansen, Jesper R.; Sonnenborg, Torben O.; Stisen, Simon; Looms, Majken C.
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Accounting for Modeling Errors in Linear Inversion of Crosshole Ground-Penetrating Radar Amplitude Data: Detecting Sand in Clayey Till

Journal of Geophysical Research: Solid Earth
2022 | Journal article
Contributors: Jensen, B. B.; Hansen, T. M.; Nielsen, L.; Cordua, K. S.; Tuxen, N.; Tsitonaki, A.; Looms, M. C.
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Assessing modelled hydrological responses to afforestation using hectometre-scale cosmic-ray neutron soil moisture

EGU General Assembly 2022, 23/05/2022
2022 | Conference abstract | Author
SOURCE-WORK-ID:

a11137b9-6969-473a-bfe2-4f8699833900

Contributors: Mie Andreasen; Jesper Riis Christiansen; Torben O. Sonnenborg; Simon Stisen; Majken Looms
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University of Copenhagen

COSMOS-Europe: a European network of cosmic-ray neutron soil moisture sensors

Earth System Science Data
2022 | Journal article
Contributors: Bogena, Heye Reemt; Schroen, Martin; Jakobi, Jannis; Ney, Patrizia; Zacharias, Steffen; Andreasen, Mie; Baatz, Roland; Boorman, David; Berk Duygu, Mustafa; Angel Eguibar-Galan, Miguel et al.
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Exploring the combined use of SMAP and Sentinel-1 data for downscaling soil moisture beyond the 1 km scale

Hydrology and Earth System Sciences
2022 | Journal article
Contributors: Meyer, Rena; Zhang, Wenmin; Kragh, Soren Julsgaard; Andreasen, Mie; Jensen, Karsten Hogh; Fensholt, Rasmus; Stisen, Simon; Looms, Majken C.
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Geophysical Inversion Using a Variational Autoencoder to Model an Assembled Spatial Prior Uncertainty

Journal of Geophysical Research: Solid Earth
2022 | Journal article
Contributors: Lopez-Alvis, J.; Nguyen, F.; Looms, M. C.; Hermans, T.
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Rock-physics characterization of chalk by combining acoustic and electromagnetic properties

Geophysics
2022 | Journal article
Contributors: Yuan, Hemin; Looms, Majken C.; Nielsen, Lars
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Stochastic Merging of Soil Hydraulic Properties for Vadose Zone Hydrological Modeling

Journal of Hydrologic Engineering
2022 | Journal article
Contributors: Belarmino dos Santos, Arthur Klebson; Looms, Majken Caroline; van Lier, Quirijn de Jong
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Crosshole Ground-Penetrating Radar in Clay-Rich Quaternary deposits: Towards Characterization of High-Loss Media

2022-06-10 | Preprint
Contributors: Espen Bing Svendsen; Lars Nielsen; Bertel Nilsson; Kurt H Kjær; Majken Caroline Looms
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Crossref

Accounting for modeling errors in linear inversion of crosshole ground-penetrating radar amplitude data: detecting sand in clayey till

2022-05-11 | Preprint
Contributors: Bolette Badsberg Jensen; Thomas Mejer Hansen; Lars Nielsen; Knud Skou Cordua; Nina Tuxen; Aikaterini Tsitonaki; Majken Caroline Looms
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Crossref

Practical data acquisition strategy for time-lapse experiments using crosshole GPR and full-waveform inversion

Journal of Applied Geophysics
2021 | Journal article
Contributors: Keskinen, Johanna; Looms, Majken C.; Klotzsche, Anja; Nielsen, Lars
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Geophysical Inversion Using a Variational Autoencoder to Model an Assembled Spatial Prior Uncertainty

2021-06-13 | Preprint
Contributors: Jorge Lopez-Alvis; Frederic Nguyen; Thomas Hermans; Majken C. Looms
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Crossref

Advancing quantitative understanding of self-potential signatures in the critical zone through long-term monitoring

Journal of Hydrology
2020 | Journal article
Contributors: Hu, Kaiyan; Jougnot, Damien; Huang, Qinghua; Looms, Majken C.; Linde, Niklas
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Advancing quantitative understanding of self-potential signatures in the critical zone through long-term monitoring

ArXiv
2020 | Journal article
Contributors: Hu, Kaiyan; Jougnot, Damien; Huang, Qinghua; C. Looms, Majken; Linde, Niklas
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Comparison of evapotranspiration estimates using the water balance and the eddy covariance methods

Vadose Zone Journal
2020 | Journal article
Contributors: Denager, Tanja; Looms, Majken C.; Sonnenborg, Torben O.; Jensen, Karsten H.
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Cosmic Ray Neutron Soil Moisture Estimation Using Physically Based Site-Specific Conversion Functions

Water Resources Research
2020 | Journal article
Contributors: Andreasen, Mie; Jensen, Karsten H.; Bogena, Heye; Desilets, Darin; Zreda, Marek; Looms, Majken C.
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On the usage of diffractions in ground-penetrating radar reflection data: Implications for time-lapse gas migration monitoring

Geophysics
2020 | Journal article
Contributors: Yuan, Hemin; Looms, Majken C.; Nielsen, Lars
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Rock physics templates for chalk by combining acoustic and EM velocity

Society of Exploration Geophysicists International Exposition and Annual Meeting 2019, SEG 2019, San Antonio, United States, 15/09/2019
2020 | Conference abstract | Author
SOURCE-WORK-ID:

81cbf339-f495-4515-ba00-cd011e960913

EID:

2-s2.0-85079507491

Contributors: Hemin Yuan; Majken Looms; Lars Nielsen
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University of Copenhagen

Data-driven source wavelets for crosshole ground-penetrating radar full-waveform modeling

2020-11-11 | Conference paper | Author
SOURCE-WORK-ID:

e89f65bc-f3c5-4977-940c-dd522d815760

Contributors: Espen Bing Svendsen; Lars Nielsen; Bertel Nilsson; Kurt Kjær; Majken Looms
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University of Copenhagen

Multi-domain thermal imaging for characterizing groundwater upwelling in stream valleys

2020-10-18 | Other
Contributors: Joel Tirado-Conde; Majken C Looms; Peter Engesgaard
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Diffraction imaging of ground-penetrating radar data

Geophysics
2019 | Journal article
Contributors: Yuan, Hemin; Montazeri, Mahboubeh; Looms, Majken C.; Nielsen, Lars
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Mapping Root-Zone Soil Moisture Using a Temperature-Vegetation Triangle Approach with an Unmanned Aerial System: Incorporating Surface Roughness from Structure from Motion

Remote Sensing
2018 | Journal article
Contributors: Wang, Sheng; Garcia, Monica; Ibrom, Andreas; Jakobsen, Jakob; Koppl, Christian Josef; Mallick, Kaniska; Looms, Majken C.; Bauer-Gottwein, Peter
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Mapping sand layers in clayey till using crosshole ground-penetrating radar

Geophysics
2018 | Journal article
Contributors: Looms, Majken Caroline; Klotzsche, Anja; van der Kruk, Jan; Larsen, Thomas Hauerberg; Edsen, Anders; Tuxen, Nina; Hamburger, Nancy; Keskinen, Johanna; Nielsen, Lars
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Measuring Soil Water Content with Ground Penetrating Radar: A Decade of Progress

Vadose Zone Journal
2018 | Journal article
Contributors: Klotzsche, A.; Jonard, F.; Looms, M. C.; van der Kruk, J.; Huisman, J. A.
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Cosmic-ray neutron transport at a forest field site: the sensitivity to various environmental conditions with focus on biomass and canopy interception

Hydrology and Earth System Sciences
2017 | Journal article
Contributors: Andreasen, Mie; Jensen, Karsten H.; Desilets, Darin; Zreda, Marek; Bogena, Heye R.; Looms, Majken C.
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Full-waveform inversion of Crosshole GPR data: Implications for porosity estimation in chalk

Journal of Applied Geophysics
2017 | Journal article
Contributors: Keskinen, Johanna; Klotzsche, Anja; Looms, Majken C.; Moreau, Julien; van der Kruk, Jan; Holliger, Klaus; Stemmerik, Lars; Nielsen, Lars
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Status and Perspectives on the Cosmic-Ray Neutron Method for Soil Moisture Estimation and Other Environmental Science Applications

Vadose Zone Journal
2017 | Journal article
Contributors: Andreasen, Mie; Jensen, Karsten H.; Desilets, Darin; Franz, Trenton E.; Zreda, Marek; Bogena, Heye R.; Looms, Majken C.
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Modeling cosmic ray neutron field measurements

Water Resources Research
2016 | Journal article
Contributors: Andreasen, Mie; Jensen, Karsten H.; Zreda, Marek; Desilets, Darin; Bogena, Heye; Looms, Majken C.
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Estimation of Recharge from Long-Term Monitoring of Saline Tracer Transport Using Electrical Resistivity Tomography

Vadose Zone Journal
2015 | Journal article
Contributors: Haarder, E. B.; Jensen, K. H.; Binley, A.; Nielsen, L.; Uglebjerg, T. B.; Looms, M. C.
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Full-waveform Inversion of Crosshole GPR Data Collected in Strongly Heterogeneous Chalk

Geophysical Research Abstracts
2015 | Conference abstract | Author
SOURCE-WORK-ID:

8f463cdc-6555-4bf3-afd5-15b3b4486abd

Contributors: Johanna Keskinen; Majken Looms; Lars Nielsen; Anja Klotzsche; Jan van der Kruk; Julien Moreau; Lars Stemmerik; Klaus Holliger
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University of Copenhagen

Monitoring CO2 gas-phase migration in a shallow sand aquifer using cross-borehole ground penetrating radar

International Journal of Greenhouse Gas Control
2015 | Journal article
Contributors: Lassen, R. N.; Sonnenborg, T. O.; Jensen, K. H.; Looms, M. C.
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Monitoring CO2 migration in a shallow sand aquifer using 3D crosshole electrical resistivity tomography

International Journal of Greenhouse Gas Control
2015 | Journal article
Contributors: Yang, Xianjin; Lassen, Rune N.; Jensen, Karsten H.; Looms, Majken C.
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Monitoring of saline tracer movement with vertically distributed self-potential measurements at the HOBE agricultural test site, Voulund, Denmark

ArXiv
2015 | Journal article
Contributors: Jougnot, Damien; Linde, Niklas; B. Haarder, Eline; C. Looms, Majken
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Monitoring of saline tracer movement with vertically distributed self-potential measurements at the HOBE agricultural test site, Voulund, Denmark

Journal of Hydrology
2015 | Journal article
Contributors: Jougnot, D.; Linde, N.; Haarder, E. B.; Looms, M. C.
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Full-waveform inversion of cross-hole GPR data collected in a strongly heterogeneous chalk reservoir analogue with sharp permittivity and conductivity contrasts

SEG Technical Program Expanded Abstracts
2014 | Conference paper | Author
SOURCE-WORK-ID:

2621bb5d-ab6d-472e-a1da-3b156ef26aab

EID:

2-s2.0-85051479519

Contributors: Johanna Keskinen; Majken Looms; Julien Moreau; Lars Nielsen; Lars Stemmerik; Anja Klotzsche; Jan van der Kruk; Klaus Holliger
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University of Copenhagen

Waveform analysis of crosshole GPR data collected in heterogeneous chalk deposits

Geophysical Research Abstracts
2014 | Conference abstract | Author
SOURCE-WORK-ID:

49ff4f0d-3b68-436c-8f99-749dc3a83edf

Contributors: Johanna Keskinen; Lars Nielsen; Majken Looms; Julien Moreau; Lars Stemmerik; Anja Klotzsche; Jan van der Kruk; Klaus Holliger
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University of Copenhagen

A Bayesian approach for estimation of unsaturated hydraulic parameters using hydrogeophysical data

American Geophysical Union Fall Meeting, San Francisco, United States, 09/12/2013
2013 | Conference abstract | Author
SOURCE-WORK-ID:

f49ad4fc-4d31-4ffb-acfa-36f010b86084

Contributors: Majken Looms; M. Scholer; A.M. Binley; J. Irving; Lars Nielsen
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University of Copenhagen

Determination of continuous intermediate scale soil moisture, biomass water content and interception using the cosmic-ray neutron intensity method

American Geophysical Union Fall Meeting, San Francisco, United States, 09/12/2013
2013 | Conference abstract | Author
SOURCE-WORK-ID:

c8309d3f-c365-4693-947b-90c5b73b3097

Contributors: Mie Andreasen; Majken Looms; H.R. Bogena; Torben Obel Sonnenborg; Karsten H. Jensen
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University of Copenhagen

Efficient data analysis and travel time picking methods for crosshole GPR experiments

2013 | Conference abstract | Author
SOURCE-WORK-ID:

3eae7b72-a2a1-4c88-80f8-46ceb09a89c6

Contributors: Johanna Keskinen; Julien Moreau; Lars Nielsen; Lars Stemmerik; Kresten Anderskouv; Klaus Holliger; Majken Looms
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University of Copenhagen

Examining the information content of time-lapse crosshole GPR data collected under different infiltration conditions to estimate unsaturated soil hydraulic properties

Advances in Water Resources
2013 | Journal article
Contributors: Scholer, M.; Irving, J.; Looms, M. C.; Nielsen, L.; Holliger, K.
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Groundwater flow and mixing in a wetland-stream system: Field study and numerical modeling

Journal of Hydrology
2013 | Journal article
Contributors: Karan, Sachin; Engesgaard, Peter; Looms, Majken C.; Laier, Troels; Kazmierczak, Jolanta
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Monitoring CO2 gas-phase injection in a shallow sand aquifer using cross borehole GPR and modeled with T2VOC multi-phase code

American Geophysical Union Fall Meeting, San Francisco, United States, 09/12/2013
2013 | Conference abstract | Author
SOURCE-WORK-ID:

1c338ff0-0037-40ac-be83-b7db5b1e4647

Contributors: Rune Nørbæk Lassen; Karsten H. Jensen; Majken Looms; Torben Obel Sonnenborg; Jacob Gudbjerg
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University of Copenhagen

Self-potential monitoring of water flux at the HOBE agricultural site, Voulund, Denmark

American Geophysical Union Fall Meeting, San Francisco, United States, 09/12/2013
2013 | Conference abstract | Author
SOURCE-WORK-ID:

a7e87bb4-d5bb-40f2-a354-d4a6fbd41db4

Contributors: D Jougnot; N Linde; Majken Looms
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University of Copenhagen

SIPPI: A Matlab toolbox for sampling the solution to inverse problems with complex prior information Part 1-Methodology

Computers & Geosciences
2013 | Journal article
Contributors: Hansen, Thomas Mejer; Cordua, Knud Skou; Looms, Majken Caroline; Mosegaard, Klaus
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