Special Issue "Advances in Rainfall and Evaporation Partitioning"

A special issue of Geosciences (ISSN 2076-3263). This special issue belongs to the section "Hydrogeology".

Deadline for manuscript submissions: 31 July 2019

Special Issue Editors

Guest Editor
Dr. Miriam Coenders

Department of Water Management, Delft University of Technology, 2600 GA, The Netherlands
Website | E-Mail
Interests: evaporation, evaporation partitioning, stable water isotopes, DTS
Co-Guest Editor
Dr. John T. Van Stan

Department of Geology and Geography, Georgia Southern University, Statesboro, GA, USA
Website | E-Mail
Interests: forest hydrological processes; Biogeochemical dynamics; forest ecology; rainfall partitioning; watershed management

Special Issue Information

Dear Colleagues,

This Special Issue of Geosciences aims to gather high-quality original research articles, reviews, and technical notes on advances in rainfall and evaporation partitioning.

Rainfall that hits the vegetated surface has many options: it can be intercepted by the canopy or flow down as throughfall and/or stemflow. Along its way down, the latter two flows successively hit the understory vegetation and/or forest floor, from where it can again be intercepted or finally infiltrate into the unsaturated zone. This cascade of multiple interception storages makes it difficult to quantify the interception process. First of all, identifying all possible interception storages and quantifying their magnitude is not straightforward, since it changes both in time (vegetation phenology, and seasonality) and space (heterogeneity). However, determining the evaporation from the different interception storages is complex, since each storage has different microclimatic conditions (e.g., radiation, wind, and humidity), which are interdependent as well. Additionally, methods that focus on measuring the evaporation flux have trouble with distinguishing vapour originating from interception and transpiration, since most methods are only capable of measuring the total evaporation. Hence, if we want to understand how vegetation redistributes the rainfall, we should consider the entire process of rainfall and evaporation partitioning.

In this Special Issue, we focus on studies that deal with novel observation or model techniques that aim to increase our understanding of rainfall and evaporation partitioning, both in time and space, and on a small scale as well as a regional–global scale.

Dr. Miriam Coenders
Dr. John T. Van Stan
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Geosciences is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 850 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • interception
  • transpiration
  • throughfall
  • stemflow
  • infiltration

Published Papers (1 paper)

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Research

Open AccessArticle Interception of Rainfall in Successional Tropical Dry Forests in Brazil and Costa Rica
Geosciences 2018, 8(12), 486; https://doi.org/10.3390/geosciences8120486
Received: 5 November 2018 / Revised: 7 December 2018 / Accepted: 11 December 2018 / Published: 14 December 2018
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Abstract
Tropical dry forests (TDF) are endangered ecosystems characterized by a matrix of successional forest patches with structural differences across the Neotropics. Until now, there have been few studies that analyze the partitioning of rainfall by forest interception in TDF. To contribute to the [...] Read more.
Tropical dry forests (TDF) are endangered ecosystems characterized by a matrix of successional forest patches with structural differences across the Neotropics. Until now, there have been few studies that analyze the partitioning of rainfall by forest interception in TDF. To contribute to the understanding of the TDF impact on the hydrological dynamic at the ecosystem and landscape levels, a rainfall interception study was conducted in Santa Rosa National Park in Costa Rica (SRNP) and in Mata Seca State Park in Brazil (MSSP). In each site, three plots per successional stage were studied. The successional stages were early, intermediate, and late. In each plot the rainfall, throughfall, and stemflow were monitored during one rainy season. The relationship between gross rainfall and water fluxes was evaluated using linear regression models. In general, net rainfall oscillated from 79.3% to 85.4% of gross rainfall in all the plots in MSSP without any trend related to forest succession, due to the effect of a high density of lianas in the intermediate and late stage plots. In SRNP, there was a clear trend of net rainfall among successional stages: 87.5% (early), 73.0% (intermediate), and 63.4% (late). Net rainfall correlated negatively only with plant area index in SRNP (r = −0.755, p < 0.05). This study highlights the need to study rainfall interception in successional stages to estimate net rainfall that reaches the soil. This would provide better hydrological information to understand water balance and water fluxes at the level of forest ecosystems and landscapes. Full article
(This article belongs to the Special Issue Advances in Rainfall and Evaporation Partitioning)
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