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Tracer hydrology of the data-scarce and heterogeneous Central American Isthmus
dc.creator | Sánchez Murillo, Ricardo | |
dc.creator | Esquivel Hernández, Germain | |
dc.creator | Corrales Salazar, José Leonardo | |
dc.creator | Castro Chacón, Laura | |
dc.creator | Durán Quesada, Ana María | |
dc.creator | Guerrero Hernández, Manuel | |
dc.creator | Delgado, Valeria | |
dc.creator | Barberena Moncada, Javier Antonio | |
dc.creator | Montenegro Rayo, Katia Lily | |
dc.creator | Calderón Palma Heyddy | |
dc.creator | Chevez, Carlos | |
dc.creator | Peña Paz, Tania María | |
dc.creator | García Santos, Saúl | |
dc.creator | Ortiz Roque, Pedro | |
dc.creator | Alvarado Callejas, Yaneth | |
dc.creator | Benegas Negri, Laura Andrea | |
dc.creator | Hernández Antonio, Antonio | |
dc.creator | Matamoros Ortega, Marcela Isabel | |
dc.creator | Ortega, Lucia | |
dc.creator | Terzer Wassmuth, Stefan | |
dc.date.accessioned | 2021-10-31T16:49:33Z | |
dc.date.available | 2021-10-31T16:49:33Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | https://onlinelibrary.wiley.com/doi/abs/10.1002/hyp.13758 | |
dc.identifier.issn | 1099-1085 | |
dc.identifier.issn | 0885-6087 | |
dc.identifier.uri | https://hdl.handle.net/10669/84931 | |
dc.description.abstract | Numerous socio-economic activities depend on the seasonal rainfall and groundwater recharge cycle across the Central American Isthmus. Population growth and unregulated land use changes resulted in extensive surface water pollution and a large dependency on groundwater resources. This work combines stable isotope variations in rainfall, surface water, and groundwater of Costa Rica, Nicaragua, El Salvador, and Honduras to develop a regionalized rainfall isoscape, isotopic lapse rates, spatial–temporal isotopic variations, and air mass back trajectories determining potential mean recharge elevations, moisture circulation patterns, and surface water–groundwater interactions. Intra-seasonal rainfall modes resulted in two isotopically depleted incursions (W-shaped isotopic pattern) during the wet season and two enriched pulses during the mid-summer drought and the months of the strongest trade winds. Notable isotopic sub-cloud fractionation and near-surface secondary evaporation were identified as common denominators within the Central American Dry Corridor. Groundwater and surface water isotope ratios depicted the strong orographic separation into the Caribbean and Pacific domains, mainly induced by the governing moisture transport from the Caribbean Sea, complex rainfall producing systems across the N-S mountain range, and the subsequent mixing with local evapotranspiration, and, to a lesser degree, the eastern Pacific Ocean fluxes. Groundwater recharge was characterized by (a) depleted recharge in highland areas (72.3%), (b) rapid recharge via preferential flow paths (13.1%), and enriched recharge due to near-surface secondary fractionation (14.6%). Median recharge elevation ranged from 1,104 to 1,979 m a.s.l. These results are intended to enhance forest conservation practices, inform water protection regulations, and facilitate water security and sustainability planning in the Central American Isthmus. | es_ES |
dc.description.sponsorship | Universidad Nacional de Costa Rica/[SIA-0482-13]/UNA/Costa Rica | es_ES |
dc.description.sponsorship | Universidad Nacional de Costa Rica/[SIA-0101-14]/UNA/Costa Rica | es_ES |
dc.description.sponsorship | Universidad Nacional de Costa Rica/[SIA-0236-16]/UNA/Costa Rica | es_ES |
dc.description.sponsorship | Universidad Nacional de Costa Rica/[SIA-411-17]/UNA/Costa Rica | es_ES |
dc.description.sponsorship | Universidad Nacional de Costa Rica/[SIA-414-17]/UNA/Costa Rica | es_ES |
dc.description.sponsorship | Universidad Nacional de Costa Rica/[SIA-0378-14]/UNA/Costa Rica | es_ES |
dc.description.sponsorship | Empresa de Servicios Públicos de Heredia/[]/ESPH S.A./Costa Rica | es_ES |
dc.description.sponsorship | International Atomic Energy Agency/[COS/7/005]/IAEA/Austria | es_ES |
dc.description.sponsorship | International Atomic Energy Agency/[RC-19747]/IAEA/Austria | es_ES |
dc.description.sponsorship | International Atomic Energy Agency/[RLA/7/024]/IAEA/Austria | es_ES |
dc.description.sponsorship | International Atomic Energy Agency/[NIC/5/009]/IAEA/Austria | es_ES |
dc.description.sponsorship | European Union/[DCIENV 2014/350-470]/EU/Países Bajos | es_ES |
dc.description.sponsorship | Nature Conservancy/[Coca Cola FEMSA-TNC]/TNC/Estados Unidos | es_ES |
dc.description.sponsorship | Universidad de Costa Rica/[University of Costa Rica Research Council]/UCR/Costa Rica | es_ES |
dc.language.iso | eng | es_ES |
dc.source | Hydrological Processes, vol.34(11), pp.1-16 | es_ES |
dc.subject | Central American isthmus | es_ES |
dc.subject | Dry corridor | es_ES |
dc.subject | ENSO | es_ES |
dc.subject | Groundwater recharge processes | es_ES |
dc.subject | Water resources management | es_ES |
dc.subject | Water stable isotopes | es_ES |
dc.title | Tracer hydrology of the data-scarce and heterogeneous Central American Isthmus | es_ES |
dc.type | artículo original | |
dc.identifier.doi | 10.1002/hyp.13758 | |
dc.description.procedence | UCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias Básicas::Centro de Investigaciones Geofísicas (CIGEFI) | es_ES |
dc.description.procedence | UCR::Vicerrectoría de Docencia::Ciencias Básicas::Facultad de Ciencias::Escuela de Física | es_ES |
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