Publicación:
SUSTAINABILITY ASSESSMENT OF THE AGRICULTURAL WATER FOOTPRINT IN THE CACHAPOAL RIVER BASIN, CHILE

dc.creatorRAMON ESTEBAN AHUMADA RUDOLPH
dc.date2019
dc.date.accessioned2025-01-10T15:12:27Z
dc.date.available2025-01-10T15:12:27Z
dc.date.issued2019
dc.description.abstractAMID THE GROWING POPULATION, CLIMATE CHANGE AND DECREASING WATER AVAILABILITY, WATER RESOURCES PLANNING FACES THE CHALLENGE OF ACHIEVING EFFICIENT AND EQUITABLE WATER USE, MAINLY IN FOOD PRODUCTION, ITS GREATEST CONSUMER. THE SUSTAINABILITY OF AGRICULTURAL WATER CONSUMPTION IN THE CACHAPOAL RIVER BASIN (34°S 71°O) IS ASSESSED USING THE BLUE (WFSBLUE) AND GRAY WATER FOOTPRINT SUSTAINABILITY (WFSGRAY) INDICATORS UNDER CONDITIONS OF CLIMATE VARIABILITY. THE WFSBLUE INDICATOR OF AGRICULTURAL WATER CONSUMPTION SHOWED UNSUSTAINABILITY IN THE UPPER BASIN IN THE DRY YEAR (2007), INDICATING SEVERE WATER SCARCITY IN AUTUMN AND LOW SCARCITY IN SPRING, AND IN THE WET YEAR (2005), IN WHICH MODERATE WATER SCARCITY WAS OBSERVED ONLY IN SPRING, AS A RESULT OF THE DECREASE IN BLUE WATER AVAILABILITY (WABLUE) AND THE INCREASE IN THE BLUE WATER FOOTPRINT (WFBLUE), EXCEEDING ENVIRONMENTAL FLOW REQUIREMENTS AND THE ENVIRONMENTAL CARRYING CAPACITY. AN OPPOSITE SITUATION WAS FOUND IN THE LOWER BASIN, WHERE NO WATER SCARCITY WAS OBSERVED IN THE ANALYZED YEARS. SURFACE WATER QUALITY, BASED ON THE CONCENTRATION OF FERTILIZERS APPLIED TO CROPS, WAS OBSERVED TO BE MORE AFFECTED AND UNSUSTAINABLE (WFSGRAY) IN THE UPPER BASIN IN THE AUTUMN AND WINTER PERIOD OF THE DRY YEAR (2007). CURRENTLY, THE INDICATORS CAN BE APPLIED TO PROVIDE USEFUL INFORMATION ON THE SUSTAINABILITY OF WATER USE IN BASINS IN ORDER TO ESTABLISH AND MEET WATER RESOURCES PROTECTION OBJECTIVES.
dc.formatapplication/pdf
dc.identifier.doi10.1016/j.ecolind.2018.10.048
dc.identifier.issn1872-7034
dc.identifier.issn1470-160X
dc.identifier.urihttps://repositorio.ubiobio.cl/handle/123456789/10922
dc.languagespa
dc.publisherECOLOGICAL INDICATORS
dc.relation.uri10.1016/j.ecolind.2018.10.048
dc.rightsPUBLICADA
dc.titleSUSTAINABILITY ASSESSMENT OF THE AGRICULTURAL WATER FOOTPRINT IN THE CACHAPOAL RIVER BASIN, CHILE
dc.title.alternativeEVALUACIÓN DE SOSTENIBILIDAD DE LA HUELLA HÍDRICA AGRÍCOLA EN LA CUENCA DEL RÍO CACHAPOAL, CHILE
dc.typeARTÍCULO
dspace.entity.typePublication
ubb.EstadoPUBLICADA
ubb.Otra ReparticionDEPARTAMENTO DE QUIMICA
ubb.SedeCONCEPCIÓN
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