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Advances in Rainfall Interception Process

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Ecohydrology".

Deadline for manuscript submissions: closed (28 June 2024) | Viewed by 2542

Special Issue Editors


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Guest Editor
Department of Environmental Civil Engineering, Faculty of Civil and Geodetic Engineering, University of Ljubljana, Ljubljana, Slovenia
Interests: rainfall interception process; throughfall dynamics; stemflow response; urban hydrology; soil – water interaction; surface runoff reduction; statistical analysis; water availability; water resources; estimation of dischrage in ungauged points; multicriteria analysis

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Guest Editor
Department of General Hydrotechnics, Faculty of Civil and Geodetic Engineering, University of Ljubljana, Ljubljana, Slovenia
Interests: rainfall interception; stemflow; throughfall; rainfall partitioning; evapotranspiration; forest hydrology; watershed hydrology; hydrological modeling; hydrological extreme analysis; floods; droughts; nonstationarity of hydrological extremes; climate change impact; water resources
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Guest Editor
Department of Ecological Engineering and Forest Hydrology, Faculty of Forestry, University of Agriculture in Kraków, Kraków, Poland
Interests: ecohydrology; forest hydrology; water cycle; urban hydrology; water capacity; retention on new ecosystems; ecosystem disturbances; retention after fires
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rainfall interception process is an important part of the hydrological cycle, altering the water flow, redistributing its volume, and affecting its dynamics. Although this process is very important in understanding the components of the water cycle, it has been often overlooked in the past. However, today more and more researchers are recognizing the importance of understanding and including the rainfall interception process into their research.

Researchers are trying to model amount of intercepted rainfall for forest catchments, urban areas, irrigation plans, or water protection measures, by including measurements, remote sensing data, or new rainfall interception modules added to the existing models. Vegetation is also increasingly recognised as a nature-based solution due to intercepting rainfall, offering new possibilities for the mitigation of urbanization and climate change influences and ensuring a better living environment. Additionally, vegetation alters drop size distribution, influencing the soil erosion, infiltration, and surface run-off processes. However, the basis for all the modelling are the measurements, which are very important in understanding the process itself. The rainfall partitioning into throughfall, stemflow, and intercepted rainfall is influenced by numerous variables, which are dependent on the location, environment, and the vegetation characteristics. The process is not equal in an urban area, in a forest, a park, on a plantation, or in a field. Single trees, forest stand, bushes, grass, or crops redistribute rainfall differently due to their area, height, storage capacity, leaf area index, and stem characteristics. Additionally, vegetation reacts differently during long wet and foggy weather conditions than during short and intense storm, occurring after longer dry period. Additionally, characteristics of rainfall events, of course, differ between continental, tropical, temperate, or dry climates.

As part of this Special Issue, we are looking for contributions on the broad topic of rainfall interception which would contribute to our knowledge about understanding the process and its components, as well as recognizing numerous influences that this process has as part of the (eco)hydrological cycle.

Dr. Katarina Zabret
Dr. Mojca Šraj
Dr. Anna Klamerus-Iwan
Guest Editors

Manuscript Submission Information

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Keywords

  • rainfall interception
  • throughfall
  • stemflow
  • urban hydrology
  • forest hydrology
  • single trees
  • ecohydrology
  • interception measurements
  • interception modelling
  • events’ dynamic
  • statistical analysis

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Published Papers (1 paper)

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11 pages, 724 KiB  
Perspective
Three Fundamental Challenges to the Advancement of Stemflow Research and Its Integration into Natural Science
by John T. Van Stan II and Juan Pinos
Water 2024, 16(1), 117; https://doi.org/10.3390/w16010117 - 28 Dec 2023
Cited by 3 | Viewed by 1453
Abstract
Plant canopies divert a portion of precipitation to the base of their stems through “stemflow”, a phenomenon that influences the canopy water balance, soil microbial ecology, and intrasystem nutrient cycling. However, a comprehensive integration of stemflow into theoretical and numerical models in natural [...] Read more.
Plant canopies divert a portion of precipitation to the base of their stems through “stemflow”, a phenomenon that influences the canopy water balance, soil microbial ecology, and intrasystem nutrient cycling. However, a comprehensive integration of stemflow into theoretical and numerical models in natural science remains limited. This perspective examines three unresolved, fundamental questions hindering this integration, spanning the canopy to the soil. First, the precise source area within the canopy that generates stemflow is undefined. Thus, we asked, “whence stemflow?” Current common assumptions equate it to the entire tree canopy, a potentially misleading simplification that could affect our interpretation of stemflow variability. Second, we asked what are the various conditions contributing to stemflow generation—beyond rain, to dew and intercepted ice melt—and could the exclusion of these volumes consequently obscure an understanding of the broader implications of stemflow? Third, we explored ”whither stemflow?” This question extends beyond how much stemflow infiltrates where, into what uptakes it and from where. Addressing these questions is constrained by current observational and analytical methods. Nevertheless, by confronting these challenges, the stemflow research community stands to make significant strides in comprehending this unique hydrological component and situating it within the broader context of natural science. Full article
(This article belongs to the Special Issue Advances in Rainfall Interception Process)
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