Fog water collection for local greenhouse vegetable production in the Atacama Desert

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dc.article.number15720
dc.catalogadorpva
dc.contributor.authorAlbornoz G., Francisco
dc.contributor.authorRío López, Camilo del
dc.contributor.authorCarter Gamberini, María Virginia
dc.contributor.authorEscobar Moragas, Rodrigo
dc.contributor.authorVásquez Gimeno, Lucas Simón
dc.date.accessioned2024-01-19T18:21:52Z
dc.date.available2024-01-19T18:21:52Z
dc.date.issued2023
dc.description.abstractAgricultural production in the Atacama Desert is restricted by extreme aridity and poor soil quality. Between 18° S and 30° S, low stratocumulus clouds regularly cover the southeastern Pacific Ocean reaching the Coastal Cordillera. Thus, marine fog is constantly present in the coastal areas of the desert. Fog can be harvested using fog collectors. However, limited information is available with regards to the variability of fog presence throughout the year and along the coast of the desert. Combining fog water harvest with hydroponic production under greenhouse facilities presents an alternative for sustainable and local fresh food production. In this article, we analyze the potential of fog water collection in two sites (Alto Patache and Falda Verde) distant by about 1000 km within the Atacama Desert. Additionally, in both locations, the environmental conditions within greenhouse structures, the potential energy requirement for environmental conditioning (including the energy production from photovoltaic panels) and the water requirements of vegetable crops under greenhouse conditions were modeled. The annual average of fog water collection registered was 2.9 and 3.3 L per day per m2 in Alto Patache and Falda Verde, respectively. During the most demanding season for crop evapotranspiration, 2.13 m2 of fog collectors can supply the water required for 1 m2 of greenhouse crops. The energy required for water and air pumps in the hydroponic systems can be supplied with photovoltaic systems including eight PV modules and a battery storage capacity of 9.4 kWh. In conclusion, the present study sheds light on the possibilities of massive water collection from fog to be used in local and sustainable food production in the Atacama Desert.
dc.fechaingreso.objetodigital2024-01-31
dc.fuente.origenORCID-ene24
dc.identifier.doi10.3390/su152215720
dc.identifier.urihttp://dx.doi.org/10.3390/su152215720
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/80824
dc.information.autorucFacultad de Agronomía e Ingenieria Forestal; Albornoz G., Francisco; 0000-0003-4434-7631; 1020221
dc.information.autorucInstituto de Geografía; Río López, Camilo del; 0000-0002-6817-431X; 17960
dc.information.autorucInstituto de Geografía; Carter Gamberini, María Virginia; S/I; 4617
dc.information.autorucEscuela de Ingeniería; Escobar Moragas, Rodrigo; S/I; 158663
dc.information.autorucEscuela de Arquitectura; Vásquez Gimeno, Lucas Simón; S/I; 164968
dc.issue.numero22
dc.language.isoen
dc.nota.accesoContenido completo
dc.pagina.final15
dc.pagina.inicio1
dc.revistaSustainability
dc.rightsacceso abierto
dc.subjectFog collectors
dc.subjectDesert agriculture
dc.subjectSoilless production
dc.subject.ddc600
dc.subject.deweyTecnologíaes_ES
dc.titleFog water collection for local greenhouse vegetable production in the Atacama Desert
dc.typeartículo
dc.volumen15
sipa.codpersvinculados1020221
sipa.codpersvinculados17960
sipa.codpersvinculados4617
sipa.codpersvinculados158663
sipa.codpersvinculados164968
sipa.trazabilidadORCID;2024-01-08
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