Agredazywczuk, Phillip; Ouma, Turry; Barthel, Matti; Otinga, Abigael; Njoroge, Ruth; Butterbach-Bahl, Klaus; Daelman, Roxanne; Hickman, Jonathan; Ibrahim, Wanyama; Laub, Moritz; Leitner, Sonja; Shumba, Armwell; Tully, Katherine; Wachiye, Sheila; Zheng, Jinsen; Bauters, Marijn; Kiese, Ralf; Cardinael, Rémi; Obozinski, Guillaume; Six, Johan; Harris, Eliza: Nitrous oxide emissions from African Croplands [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.987299 (dataset in review), In: Agredazywczuk, P et al.: Nitrous oxide emissions across Sub-Saharan Africa: meta-analysis and data-driven modelling [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.987298 (dataset in review)
References:
Barthel, Matti; Bauters, Marijn; Baumgartner, Simon; Drake, Travis W; Bey, Nivens Mokwele; Bush, Glenn; Boeckx, Pascal; Botefa, Clement Ikene; Dériaz, Nathanaël; Ekamba, Gode Lompoko; Gallarotti, Nora; Mbayu, Faustin M; Mugula, John Kalume; Makelele, Isaac Ahanamungu; Mbongo, Christian Ekamba; Mohn, Joachim; Mandea, Joseph Zambo; Mpambi, Davin Mata; Ntaboba, Landry Cizungu; Rukeza, Montfort Bagalwa; Spencer, Robert G M; Summerauer, Laura; Vanlauwe, Bernard; Van Oost, Kristof; Wolf, Benjamin; Six, Johan (2022): Low N2O and variable CH4 fluxes from tropical forest soils of the Congo Basin. Nature Communications, 13(1), 330, https://doi.org/10.1038/s41467-022-27978-6
Daelman, Roxanne; Bauters, Marijn; Barthel, Matti; Bulonza, Emmanuel; Lefevre, Lodewijk; Mbifo, José; Six, Johan; Butterbach-Bahl, Klaus; Wolf, Benjamin; Kiese, Ralf; Boeckx, Pascal (2025): Spatiotemporal variability of CO 2 , N 2 O and CH 4 fluxes from a semi-deciduous tropical forest soil in the Congo Basin. Biogeosciences, 22(6), 1529-1542, https://doi.org/10.5194/bg-22-1529-2025
Guetlein, Adrian; Gerschlauer, Friederike; Kikoti, Imani; Kiese, Ralf (2018): Impacts of climate and land use on N2O and CH4 fluxes from tropical ecosystems in the Mt. Kilimanjaro region, Tanzania. Global Change Biology, 24(3), 1239-1255, https://doi.org/10.1111/gcb.13944
Hickman, Jonathan E; Palm, Cheryl A; Mutuo, Patrick; Melillo, Jerry M; Tang, Jianwu (2014): Nitrous oxide (N2O) emissions in response to increasing fertilizer addition in maize (Zea mays L.) agriculture in western Kenya. Nutrient Cycling in Agroecosystems, 100(2), 177-187, https://doi.org/10.1007/s10705-014-9636-7
Hickman, Jonathan E; Tully, Katherine L; Groffman, Peter M; Diru, Willy; Palm, Cheryl A (2015): A potential tipping point in tropical agriculture: Avoiding rapid increases in nitrous oxide fluxes from agricultural intensification in Kenya. Journal of Geophysical Research: Biogeosciences, 120(5), 938-951, https://doi.org/10.1002/2015JG002913
Laub, Moritz; Corbeels, Marc; Mathu Ndungu, Samuel; Mucheru-Muna, Monicah Wanjiku; Mugendi, Daniel; Necpalova, Magdalena; Van de Broek, Marijn; Waswa, Wycliffe; Vanlauwe, Bernard; Six, Johan (2023): Combining manure with mineral N fertilizer maintains maize yields: Evidence from four long-term experiments in Kenya. Field Crops Research, 291, 108788, https://doi.org/10.1016/j.fcr.2022.108788
Shumba, Armwell; Chikowo, Regis; Corbeels, Marc; Six, Johan; Thierfelder, Christian; Cardinael, Rémi (2023): Long-term tillage, residue management and crop rotation impacts on N2O and CH4 emissions from two contrasting soils in sub-humid Zimbabwe. Agriculture, Ecosystems & Environment, 341, 108207, https://doi.org/10.1016/j.agee.2022.108207
Wachiye, Sheila; Merbold, Lutz; Vesala, Timo; Rinne, Janne; Räsänen, Matti; Leitner, Sonja; Pellikka, Petri (2020): Soil greenhouse gas emissions under different land-use types in savanna ecosystems of Kenya. Biogeosciences, 17(8), 2149-2167, https://doi.org/10.5194/bg-17-2149-2020
Wanyama, I; Pelster, D E; Arias-Navarro, C; Butterbach-Bahl, Klaus; Verchot, L V; Rufino, M C (2018): Management intensity controls soil N2O fluxes in an Afromontane ecosystem. Science of the Total Environment, 624, 769-780, https://doi.org/10.1016/j.scitotenv.2017.12.081
Zheng, Jinsen; Qu, Ying; Kilasara, Method M; Mmari, William N; Funakawa, Shinya (2019): Soil-atmosphere exchange of nitrous oxide in two Tanzanian croplands: Effects of nitrogen and stover management. Agricultural and Forest Meteorology, 275, 24-36, https://doi.org/10.1016/j.agrformet.2019.05.009
Funding:
Swiss National Science Foundation (SNF), grant/award no. 200021_207348: Combining measurements, modelling and machine learning to improve N2O accounting for sustainable agricultural development in sub-Saharan Africa
Coverage:
Median Latitude: -4.412743 * Median Longitude: 34.790505 * South-bound Latitude: -17.706000 * West-bound Longitude: 31.013000 * North-bound Latitude: 0.572102 * East-bound Longitude: 38.132172
Date/Time Start: 2005-03-27T00:00:00 * Date/Time End: 2024-10-08T00:00:00
Event(s):
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Agredazywczuk, Phillip | |||
| 2 | Latitude of event | Latitude | Agredazywczuk, Phillip | |||
| 3 | Longitude of event | Longitude | Agredazywczuk, Phillip | |||
| 4 | Site information | Site info | Agredazywczuk, Phillip | |||
| 5 | DATE/TIME | Date/Time | Agredazywczuk, Phillip | Geocode | ||
| 6 | Land use | Land use | Agredazywczuk, Phillip | |||
| 7 | Fertiliser, nitrogen | Fert N | kg/ha | Agredazywczuk, Phillip | Recorded at time of application | |
| 8 | Temperature, air, daily mean | TTT day m | °C | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 9 | Temperature, air, daily maximum | TxTxTx day max | °C | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 10 | Temperature, air, daily minimum | TnTnTn day min | °C | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 11 | Precipitation, daily total | Precip day total | mm | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 12 | Soil moisture | Soil moisture | m3/m3 | Agredazywczuk, Phillip | ERA5 reanalyses | Content at 0-7 cm depth |
| 13 | Soil moisture | Soil moisture | m3/m3 | Agredazywczuk, Phillip | ERA5 reanalyses | Content at 7-28 cm depth |
| 14 | Soil moisture | Soil moisture | m3/m3 | Agredazywczuk, Phillip | ERA5 reanalyses | Content at 28-100 cm depth |
| 15 | Temperature, soil, daily mean | T soil day m | °C | Agredazywczuk, Phillip | ERA5 reanalyses | At 0-7 cm depth |
| 16 | Temperature, soil, daily mean | T soil day m | °C | Agredazywczuk, Phillip | ERA5 reanalyses | At 7-28 cm depth |
| 17 | Temperature, soil, daily mean | T soil day m | °C | Agredazywczuk, Phillip | ERA5 reanalyses | At 28-100 cm depth |
| 18 | Cloud cover | Cloud cov | % | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 19 | Vapour pressure deficit, daily mean | VPD day m | kPa | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 20 | Pressure, atmospheric, daily mean | PPPP day m | hPa | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 21 | Short-wave downward (GLOBAL) radiation, daily mean | SWD day m | W/m2 | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 22 | Photosynthetic photon, flux density, daily mean | PPFD day m | µmol/m2/s | Agredazywczuk, Phillip | ERA5 reanalyses | |
| 23 | Duration, number of days | Duration | days | Agredazywczuk, Phillip | Since last precipitation event >1mm | |
| 24 | Duration, number of days | Duration | days | Agredazywczuk, Phillip | Since last fertiliser application | |
| 25 | Fertiliser, nitrogen availability, decay-adjusted, exponential | Fert N dec adj exp | kg/ha | Agredazywczuk, Phillip | Exponential decay model (k=0.05) | |
| 26 | Transformation, sine | Transformation S | Agredazywczuk, Phillip | Modeled | ||
| 27 | Transformation, cosine | Transformation C | Agredazywczuk, Phillip | Modeled | ||
| 28 | Nitrous oxide, flux | N2O flux | µg/m2/h | Agredazywczuk, Phillip | Modeled | From soil surface |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
82685 data points
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