A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto Rico

Abstract This study analyzes multiyear data recorded by 21 stations along an elevation gradient (0–1045 m a.s.l.) in the Luquillo Mountains on the rainfall and the rainwater chemistry. The total ionic concentration and the rainwater volume exhibited an inverse exponential relationship, with the corr...

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Main Authors: Elvis Torres-Delgado, Grizelle González, Ernesto Medina, María M. Rivera
Format: Article
Language:English
Published: Springer 2021-02-01
Series:Aerosol and Air Quality Research
Subjects:
Online Access:https://doi.org/10.4209/aaqr.200582
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author Elvis Torres-Delgado
Grizelle González
Ernesto Medina
María M. Rivera
author_facet Elvis Torres-Delgado
Grizelle González
Ernesto Medina
María M. Rivera
author_sort Elvis Torres-Delgado
collection DOAJ
description Abstract This study analyzes multiyear data recorded by 21 stations along an elevation gradient (0–1045 m a.s.l.) in the Luquillo Mountains on the rainfall and the rainwater chemistry. The total ionic concentration and the rainwater volume exhibited an inverse exponential relationship, with the correlation coefficients ranging from –0.66 to –0.90. Furthermore, the rainfall tended to increase with the elevation, although a few stations, owing to their geographical location and their exposure to the prevailing winds, departed from this trend. The ionic composition also displayed clear seasonality: Contributions from African crustal aerosols and, to a lesser degree, North American anthropogenic aerosols were observed during summer and winter, respectively, whereas marine aerosols were influential year-round. Finally, the annual loads (kg ha−1 y−1) first increased for all of the species, except PO43– and K+, from the lowland to the cloud formation levels (by 47–121%) and then decreased for all of them, except PO43– and NO3−, at the altitudes above.
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series Aerosol and Air Quality Research
spelling doaj-art-fc4393900b6446a4b26a145f41878cdd2025-02-09T12:19:46ZengSpringerAerosol and Air Quality Research1680-85842071-14092021-02-0121611210.4209/aaqr.200582A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto RicoElvis Torres-Delgado0Grizelle González1Ernesto Medina2María M. Rivera3Department of Environmental Science, University of Puerto RicoInternational Institute of Tropical Forestry, USDA Forest Service, Jardín Botánico SurInternational Institute of Tropical Forestry, USDA Forest Service, Jardín Botánico SurInternational Institute of Tropical Forestry, USDA Forest Service, Jardín Botánico SurAbstract This study analyzes multiyear data recorded by 21 stations along an elevation gradient (0–1045 m a.s.l.) in the Luquillo Mountains on the rainfall and the rainwater chemistry. The total ionic concentration and the rainwater volume exhibited an inverse exponential relationship, with the correlation coefficients ranging from –0.66 to –0.90. Furthermore, the rainfall tended to increase with the elevation, although a few stations, owing to their geographical location and their exposure to the prevailing winds, departed from this trend. The ionic composition also displayed clear seasonality: Contributions from African crustal aerosols and, to a lesser degree, North American anthropogenic aerosols were observed during summer and winter, respectively, whereas marine aerosols were influential year-round. Finally, the annual loads (kg ha−1 y−1) first increased for all of the species, except PO43– and K+, from the lowland to the cloud formation levels (by 47–121%) and then decreased for all of them, except PO43– and NO3−, at the altitudes above.https://doi.org/10.4209/aaqr.200582Precipitation chemistryLuquillo Experimental ForestRainforest hydrologyTropical forestNutrient deposition
spellingShingle Elvis Torres-Delgado
Grizelle González
Ernesto Medina
María M. Rivera
A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto Rico
Aerosol and Air Quality Research
Precipitation chemistry
Luquillo Experimental Forest
Rainforest hydrology
Tropical forest
Nutrient deposition
title A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto Rico
title_full A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto Rico
title_fullStr A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto Rico
title_full_unstemmed A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto Rico
title_short A Multiyear Record of Rainfall and Ionic Composition along an Elevation Gradient in Northeastern Puerto Rico
title_sort multiyear record of rainfall and ionic composition along an elevation gradient in northeastern puerto rico
topic Precipitation chemistry
Luquillo Experimental Forest
Rainforest hydrology
Tropical forest
Nutrient deposition
url https://doi.org/10.4209/aaqr.200582
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