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Evaluation of drop size distribution impact on rainfall interception by trees
ID
Zabret, Katarina
(
Author
),
ID
Rakovec, Jože
(
Author
),
ID
Šraj, Mojca
(
Author
)
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MD5: E66D90A6A566C470C7776AEB9CB0243F
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https://www.mdpi.com/2504-3900/1/5/117
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Abstract
Not all precipitation, falling above the trees, reach the ground. Part of it is retained in the canopy and eventually evaporates back into the atmosphere. This is known as intercepted rainfall. The process is influenced by various meteorological parameters of which we have mainly focused on drop diameter and velocity. Rainfall in the open and throughfall under birch and pine trees have been measured since 2014 in Ljubljana, Slovenia. The results demonstrate that birch has intercepted 41% (±32%) and pine 70% (±24%) of rainfall on average per event. During the 146 individual events between 297 and 724,905 rain drops were recorded with the average drop diameter 0.73 mm (±0.23 mm) and average drop velocity 3.71 m/s (±0.49 m/s). We have closely analyzed the effect of drop size and velocity on interception by pine during two rainfall events in June and July 2014. In June event drops with larger drop diameter (6.5–8.5 mm) were observed in the open causing an instant reduction of rainfall interception by pine for 30%. Furthermore, twice during the both events the groups of drops with higher velocity (7.6–10.4 m/s) were observed, causing the reduction in rainfall interception.
Language:
English
Keywords:
rainfall
,
rainfall interception
,
throughfall
,
drop size distribution
,
drop diameter
,
drop velocity
Work type:
Article
Typology:
1.08 - Published Scientific Conference Contribution
Organization:
FGG - Faculty of Civil and Geodetic Engineering
FMF - Faculty of Mathematics and Physics
Publication status:
Published
Publication version:
Version of Record
Year:
2017
Number of pages:
10 str.
Numbering:
Vol. 1, iss. 5, art. 117
PID:
20.500.12556/RUL-131072
ISSN on article:
2504-3900
DOI:
10.3390/ecas2017-04137
Publication date in RUL:
22.09.2021
Views:
562
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129
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Record is a part of a journal
Title:
Proceedings
Shortened title:
Proceedings
Publisher:
MDPI
ISSN:
2504-3900
COBISS.SI-ID:
42487341
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
31.07.2017
Secondary language
Language:
Slovenian
Keywords:
padavine
,
prestrezanje padavin
,
prepuščene padavine
,
porazdelitev padavinskih delcev
,
premer kapljic
,
hitrost kapljic
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