Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean Páramo

Páramos are particular ecosystems of the Tropical Andes, where fog and low-intensity rainfall such as drizzle are commonly frequent—but the contribution of these water sources to soil water replenishment and discharge is not yet clear, mainly because the development of techniques for separating fog...

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Main Authors: Gina Berrones, Patricio Crespo, Ana Ochoa-Sánchez, Bradford P. Wilcox, Rolando Célleri
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Hydrology
Subjects:
Online Access:https://www.mdpi.com/2306-5338/9/4/54
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author Gina Berrones
Patricio Crespo
Ana Ochoa-Sánchez
Bradford P. Wilcox
Rolando Célleri
author_facet Gina Berrones
Patricio Crespo
Ana Ochoa-Sánchez
Bradford P. Wilcox
Rolando Célleri
author_sort Gina Berrones
collection DOAJ
description Páramos are particular ecosystems of the Tropical Andes, where fog and low-intensity rainfall such as drizzle are commonly frequent—but the contribution of these water sources to soil water replenishment and discharge is not yet clear, mainly because the development of techniques for separating fog from drizzle and wind-driven rainfall has been challenging. Fog was measured with a cylindrical Juvik gauge and types of precipitation other than fog with a high-resolution disdrometer. Soil moisture was measured at 100 mm depth by means of Water Content Reflectometers, then Effective precipitation (EP) was calculated. We categorized events as two types: fog only (FO) and cloud water (CW). We found that in the case of FO events, only small amounts reached the soil (EP ranged between 0.1 and 0.2 mm); in contrast, greater amounts of EP originated from CW events (maximum value of 4.3 mm). Although we found that FO events are negligible for stream water contribution; they are ecologically important for maintaining high relative humidity, low net radiation, and consequently low evapotranspiration rates. Our research provides new insights into the hydrological role of fog, enabling us to better understand to what extent its input influences the water resources of the Andean páramo.
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spelling doaj.art-33bd62a8460b44fab91cce732ae351ce2023-12-01T21:00:53ZengMDPI AGHydrology2306-53382022-03-01945410.3390/hydrology9040054Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean PáramoGina Berrones0Patricio Crespo1Ana Ochoa-Sánchez2Bradford P. Wilcox3Rolando Célleri4Departamento de Recursos Hídricos y Ciencias Ambientales, Universidad de Cuenca, Cuenca 010150, EcuadorDepartamento de Recursos Hídricos y Ciencias Ambientales, Universidad de Cuenca, Cuenca 010150, EcuadorFacultad de Ciencia y Tecnología, Ingeniería Ambiental & TRACES, Universidad del Azuay, Cuenca 010150, EcuadorDepartment of Ecology and Conservation Biology, Texas A&M University, College Station, TX 77843, USADepartamento de Recursos Hídricos y Ciencias Ambientales, Universidad de Cuenca, Cuenca 010150, EcuadorPáramos are particular ecosystems of the Tropical Andes, where fog and low-intensity rainfall such as drizzle are commonly frequent—but the contribution of these water sources to soil water replenishment and discharge is not yet clear, mainly because the development of techniques for separating fog from drizzle and wind-driven rainfall has been challenging. Fog was measured with a cylindrical Juvik gauge and types of precipitation other than fog with a high-resolution disdrometer. Soil moisture was measured at 100 mm depth by means of Water Content Reflectometers, then Effective precipitation (EP) was calculated. We categorized events as two types: fog only (FO) and cloud water (CW). We found that in the case of FO events, only small amounts reached the soil (EP ranged between 0.1 and 0.2 mm); in contrast, greater amounts of EP originated from CW events (maximum value of 4.3 mm). Although we found that FO events are negligible for stream water contribution; they are ecologically important for maintaining high relative humidity, low net radiation, and consequently low evapotranspiration rates. Our research provides new insights into the hydrological role of fog, enabling us to better understand to what extent its input influences the water resources of the Andean páramo.https://www.mdpi.com/2306-5338/9/4/54low-intensity rainfallsoil moisturestream water contributionAlpine grasslands
spellingShingle Gina Berrones
Patricio Crespo
Ana Ochoa-Sánchez
Bradford P. Wilcox
Rolando Célleri
Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean Páramo
Hydrology
low-intensity rainfall
soil moisture
stream water contribution
Alpine grasslands
title Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean Páramo
title_full Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean Páramo
title_fullStr Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean Páramo
title_full_unstemmed Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean Páramo
title_short Importance of Fog and Cloud Water Contributions to Soil Moisture in the Andean Páramo
title_sort importance of fog and cloud water contributions to soil moisture in the andean paramo
topic low-intensity rainfall
soil moisture
stream water contribution
Alpine grasslands
url https://www.mdpi.com/2306-5338/9/4/54
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