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Gretchen M. Gettel

Aarhus University

Nordre Ringgade 1

DK-8000 Aarhus C, 8000

Denmark

  • Aarhus University

SCHOLARLY PAPERS

5

DOWNLOADS

283

TOTAL CITATIONS

1

Scholarly Papers (5)

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1.

Elevated In-Stream CO2 Concentration Stimulates Net-N2O Production from Global Fluvial Ecosystems

Number of pages: 39 Posted: 18 Mar 2025
Ricky Mwangada Mwanake, Gretchen M. Gettel, Elizabeth Gachibu Wangari, George Macharia, Ruben Martinez-Cuesta, Stefanie Schulz, Michael Schloter, Klaus Butterbach-Bahl and Ralf Kiese
Karlsruhe Institute of Technology, Aarhus University, Independent, Independent, Technical University Munich, German Research Center for Environmental Health - Helmholtz Center Munich, Technical University Munich, Aarhus University and Independent
Downloads 74 (852,604)

Abstract:

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Nitrification, Denitrification, Climate feedback, Anthropogenic influence, Carbon and Nitrogen cycling, Rivers, Greenhouse gases

2.

Livestock Density Amplifies Co2 and Ch4 Fluxes But Lowers N2o Fluxes from Afromontane-Savannah Rivers

Number of pages: 48 Posted: 21 Jul 2025
Evans Sicharani, Christine A.A. Owade, Godfrey B. Owuor, Gelas M. Simiyu, Gretchen M. Gettel, Sonja Maria Leitner, Ricky Mwangada Mwanake and Frank Masese
University of Eldoret, University of Eldoret, University of Eldoret, University of Eldoret, Aarhus University, CGIAR - International Livestock Research Institute (ILRI), Karlsruhe Institute of Technology and University of Eldoret
Downloads 65 (916,100)

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Carbon dioxide, Greenhouse gas emissions, livestock production systems, Afromontane-savannah rivers

3.

The Role of Agricultural Intensification on Fluvial GHG Fluxes from Tropical and Temperate Catchments

Number of pages: 24 Posted: 05 Feb 2025
Ricky Mwangada Mwanake, Gretchen M. Gettel, Elizabeth Gachibu Wangari, Klaus Butterbach-Bahl and Ralf Kiese
Karlsruhe Institute of Technology, Aarhus University, Independent, Aarhus University and Independent
Downloads 49 (1,074,648)

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carbon dioxide, methane, Nitrous oxide, Source partitioning

4.

Estimation of Potential Denitrification and its Spatiotemporal Dynamics in Seasonally Inundated Geomorphic Units of a Large Tropical River Using Satellite Data

Number of pages: 31 Posted: 24 Aug 2024
Md Ataul Gani, Anne A. van Dam, Johannes van der Kwast, Michael E. McClain, Kenneth Irvine and Gretchen M. Gettel
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Wageningen University & Research and Aarhus University
Downloads 48 (1,109,210)

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Sentinel-2, NDVI, Soil moisture, LULC, linear mixed models (LMMs), Padma River

5.

From Data to Insights: Upscaling Riverine GHG Fluxes in Germany with Machine Learning

Number of pages: 39 Posted: 07 Sep 2024
Ricky Mwangada Mwanake, Elizabeth Gachibu Wangari, Karina Winkler, Gretchen M. Gettel, Klaus Butterbach-Bahl and Ralf Kiese
Karlsruhe Institute of Technology, Independent, affiliation not provided to SSRN, Aarhus University, Aarhus University and Independent
Downloads 47 (1,097,529)
Citation 1

Abstract:

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Carbon dioxide, methane, nitrous oxide, streams, vegetation indices, remote sensing