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Investigating the reduction of rainfall intensity beneath an urban deciduous tree canopy
ID
Alivio, Mark Bryan
(
Avtor
),
ID
Šraj, Mojca
(
Avtor
),
ID
Bezak, Nejc
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(8,01 MB)
MD5: 5D78EE662397ABD721A00B675FBB4807
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S0168192323004173
Galerija slik
Izvleček
Trees have an indispensable role to play in the hydrological cycle. The process of interception by tree canopies alters the magnitude, pathway, and intensity of rainfall reaching the ground. This study investigates the rainfall intensity-attenuating effects of canopy interception by open-grown birch trees (Betula pendula Roth.) in an urban environment and the influence of atmospheric variables. Rainfall partitioning was measured in a research plot in the city of Ljubljana, Slovenia, from August 2021 to August 2022. Simultaneously, optical disdrometers above and below the birch tree canopy measured microstructures of rainfall and throughfall, from which the intensities were calculated. During the measurement period, the birch tree intercepted on average 25.6 % of gross rainfall, with the interception being twice as high during the leafed season than in the leafless season. Consequently, the total number and volume of drops under the canopy were reduced on average by 16.4 % and 48.7 %, respectively, indicating the interception and fragmentation of raindrops by the canopy. Owing to these processes, the leafed and leafless states of the birch tree canopy attenuate the average intensities of rainfall by 50.2 % and 41.6 %, respectively. Canopy interception also moderates the maximum 10-minute rainfall intensities by 11.6–83.8 % and 13.1–74.2 % during the leafed and leafless periods, respectively. This percentage of reduction in the rainfall intensities below the canopy decreases with rainfall amount and in the absence of foliage. Aside from phenoseasons, we also found that vapor pressure deficit and air temperature were among the atmospheric variables that exert the highest influence on the intensities of throughfall. Furthermore, the regression analysis between the maximum throughfall intensity and peak water level for each rainfall event indicates that the reduction of rainfall intensity by the canopy has a significant effect on runoff peak water level (R$^2$ = 0.76, p < 0.001).
Jezik:
Angleški jezik
Ključne besede:
rainfall intensity
,
attenuating effect
,
rainfall interception
,
urban environment
,
stormwater
,
trees
,
peak water level
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FGG - Fakulteta za gradbeništvo in geodezijo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2023
Št. strani:
14 str.
Številčenje:
Vol. 342, art. 109727
PID:
20.500.12556/RUL-151808
UDK:
556
ISSN pri članku:
0168-1923
DOI:
10.1016/j.agrformet.2023.109727
COBISS.SI-ID:
166066691
Datum objave v RUL:
20.10.2023
Število ogledov:
324
Število prenosov:
40
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Agricultural and forest meteorology
Skrajšan naslov:
Agric. for. meteorol.
Založnik:
Elsevier
ISSN:
0168-1923
COBISS.SI-ID:
5051143
Licence
Licenca:
CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:
Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
intenziteta padavin
,
spremembe padavin
,
prestrezanje padavin
,
urbano okolje
,
površinski odtok
Projekti
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
CELSA
Naslov:
Interception experimentation and modeling for enhanced impact analysis of nature-based solutions
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P2-0180
Naslov:
Vodarstvo in geotehnika: orodja in metode za analize in simulacije procesov ter razvoj tehnologij
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Program financ.:
Young researchers
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
J6-4628
Naslov:
Vrednotenje hibridne infrastrukture za zmanjševanje ogroženosti pod vplivom podnebnih sprememb
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
J2-4489
Naslov:
Vrednotenje vpliva prestrezanja padavin na erozijo tal
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
N2-0313
Naslov:
Lokalni vplivi na površinski odtok
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