Agrohydrological analysis of groundwater recharge and land use changes in the Pampas of Argentina

Autor: Jos van Dam, Joop G Kroes, Santiago R. Verón, Diego de Abelleyra, Piet Groenendijk, A.A. Veldhuizen, Iwan Supit, Francisco Damiano, Allard de Wit, Jan G. Wesseling, Hendrik Boogaard, Marcos Esteban Angelini
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Water en Landgebruik
0208 environmental biotechnology
Water en Voedsel
02 engineering and technology
WOFOST
Soil
Bodem
Soil
Water and Land Use
Evapotranspiration
Aardobservatie en omgevingsinformatica
LAND USE
PAMPAS
Water Science and Technology
Sustainable Soil Use
ARGENTINA
Water storage
04 agricultural and veterinary sciences
Groundwater recharge
PE&RC
CAPILLARY RISE
Capillary rise
GROUNDWATER RECHARGE
Soil Geography and Landscape
Irrigation
Earth Observation and Environmental Informatics
Argentina
Soil Science
Pampas
SOYBEAN
Duurzaam Bodemgebruik
Earth-Surface Processes
WIMEK
Water and Food
Land use
Water and Land Use
Crop yield
SWAP
Crop rotation
Bodemfysica en Landbeheer
Bodem
Water en Landgebruik
020801 environmental engineering
Soil Physics and Land Management
Bodemgeografie en Landschap
CIENCIAS AGRÍCOLAS
040103 agronomy & agriculture
0401 agriculture
forestry
and fisheries
Environmental science
Water Systems and Global Change
Otras Ciencias Agrícolas
Water resource management
Soybean
Agronomy and Crop Science
Groundwater
Zdroj: Agricultural Water Management, 213, 843-857
Agricultural Water Management 213 (2019)
ISSN: 0378-3774
Popis: This paper studies the changes of groundwater, climate and land use in the Pampas of Argentina. These changes offer opportunities and threats. Lowering groundwater without irrigation causes drought and successive crop and yield damage. Rising groundwater may alleviate drought as capillary rise supports root water uptake and crop growth, thus narrowing the difference between potential and actual yields. However, rising groundwater may also limit soil water storage, cause flooding in metropolitan areas and have a negative impact on crop yields. Changing land use from continuous soy bean into crop rotations or natural vegetation may decrease groundwater recharge and thus decrease groundwater levels. In case of crop rotation however, leaching of nutrients like nitrate may increase. We quantified these impacts using integrated dynamic crop growth and soil hydrology modelling. The models were tested at field scale using a local dataset from Argentina. We applied distributed modelling at regional scale to evaluate the impacts on groundwater recharge and crop yields using long term weather data. The experiments showed that threats arise from continuous monotone land use. Opportunities are created when a proper balance is found between supply and demand of soil water using a larger differentiation of land use. Increasing the areas of land use types with higher evapotranspiration, like permanent grassland and trees, will contribute to a more stable hydrologic system with more water storage capacities in the soil system and lower groundwater levels. Modelling tools clearly support the evaluation of the impact of land use and climate change on groundwater levels and crop yields. Fil: Kroes, Joop. Wageningen University And Research Centre; Países Bajos Fil: van Dam, Jos. Wageningen University And Research Centre; Países Bajos Fil: Supit, Iwan. Wageningen University And Research Centre; Países Bajos Fil: de Abelleyra, Diego. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Verón, Santiago Ramón. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: de Wit, Allard. Wageningen University And Research Centre; Países Bajos Fil: Boogaard, Hendrik. Wageningen University And Research Centre; Países Bajos Fil: Angelini, Marcos Esteban. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Damiano, Francisco. Instituto Nacional de Tecnología Agropecuaria. Centro Regional Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Groenendijk, Piet. Wageningen University And Research Centre; Países Bajos Fil: Wesseling, Jan. Wageningen University And Research Centre; Países Bajos Fil: Veldhuizen, Ab. Wageningen University And Research Centre; Países Bajos
Databáze: OpenAIRE
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