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Vallet-Coulomb, Christine; Alexandre, Anne (2025): Precipitation isotopes from West Africa (Benin and Senegal) [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.984348 (DOI registration in progress), In: Alexandre, Anne (2025): Climate and triple oxygen isotope of precipitation, groundwater, soil water, plant water, and phytolith data from West Africa (Benin and Senegal) [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.984133

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Published: 2025-11-24

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Abstract:
Triple oxygen isotope composition of precipitation events collected at Nalohou (NA, Benin) and Dahra (DA, Senegal) in 2018 and 2019. The water was analyzed by Cavity Ring Dow Spectroscopy (CRDS). Annual averages weighted for precipitation amount are presented.
Keyword(s):
phytolith; plant water; precipitation; soil water; triple oxygen isotopes; West Africa
Related to:
Alexandre, Anne; Outrequin, Clément; Vallet-Coulomb, Christine; Peugeot, Christophe; Grippa, Manuela; Aleman, Julie C; Voigt, Claudia; Landais, Amaëlle; Mougin, Eric; Ndiaye, Ousmane; Sonzogni, Corinne; Yang, David Au; Mazur, Jean-Charles; Couapel, Martine; Ogée, Jérôme; Ouani, Theodore; Afouda, Simon; Wubda, Maxime; Soumaguel, Nogmana; Houngnon, Alfred; Tagesson, Torbern; Fensholt, Rasmus (2025): What Does the Triple Isotopic Composition of Oxygen in Precipitation, Groundwater, Soil Water, Plant Water, and Phytoliths Reveal About Current and Past Hydrological Cycles? Journal of Geophysical Research: Biogeosciences, 130(10), e2024JG008615, https://doi.org/10.1029/2024JG008615
Funding:
Agence Nationale de la Recherche (ANR), grant/award no. ANR-17-CE01-0002: Past dynamic of continental atmospheric humidity and vegetation: new insights from the triple isotopic composition of oxygen (HUMI-17)
Coverage:
Median Latitude: 12.569500 * Median Longitude: -6.891000 * South-bound Latitude: 9.783000 * West-bound Longitude: -15.482000 * North-bound Latitude: 15.356000 * East-bound Longitude: 1.700000
Date/Time Start: 2018-04-15T00:00:00 * Date/Time End: 2019-10-31T00:00:00
Event(s):
Dahra_met * Latitude: 15.356000 * Longitude: -15.482000 * Location: Dahra, Senegal * Method/Device: Meteorological station * Comment: AMMA-CATCH Meteorological station
Nalohou_met * Latitude: 9.783000 * Longitude: 1.700000 * Location: Nalohou, Benin * Method/Device: Meteorological station * Comment: AMMA-CATCH Meteorological station
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventAlexandre, Anne
2LocationLocationVallet-Coulomb, Christine
3DATE/TIMEDate/TimeVallet-Coulomb, ChristineGeocode – Date
4Date/Time localDate/Time localVallet-Coulomb, ChristineUTC
5CommentCommentVallet-Coulomb, Christinewhen no date defined
6Precipitation, cumulatedPrecip cummmVallet-Coulomb, Christine
7δ17O, precipitationδ17O precip‰ SMOWVallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)average, vs VSMOW
8δ'17O, precipitationδ'17O precip‰ SMOWVallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)average, vs VSMOW
9δ'17O, precipitation, standard deviationδ'17O precip std dev±Vallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)
10δ18O, precipitationδ18O precip‰ SMOWVallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)average, vs VSMOW
11δ'18O, precipitationδ'18O precip‰ SMOWVallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)average, vs VSMOW
12δ'18O, precipitation, standard deviationδ'18O precip std dev±Vallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)
13Oxygen-17 excess, precipitation17O xs precipper megVallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)average
14Oxygen-17 excess, precipitation, standard deviation17O xs precip std dev±Vallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)
15δ Deuterium, precipitationδD precip‰ SMOWVallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)average, vs VSMOW
16δ Deuterium, precipitation, standard deviationδD precip std dev±Vallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)
17Deuterium excess, precipitationd xs precip‰Vallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)average
18Deuterium excess, precipitation, standard deviationd xs precip std dev±Vallet-Coulomb, ChristineCavity Ring-Down Spectrometer (CRDS)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1678 data points

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