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How characteristics of a rainfall event and the meteorological conditions determine the development of stemflow - a case study of a birch tree
ID
Zabret, Katarina
(
Avtor
),
ID
Šraj, Mojca
(
Avtor
)
URL - Izvorni URL, za dostop obiščite
https://www.frontiersin.org/articles/10.3389/ffgc.2021.663100/full
Galerija slik
Izvleček
The process of rainfall partitioning is usually addressed by three components: rainfall interception, throughfall and stemflow. The occurrence and proportion of stemflow depends on many complexly interconnected factors. To contribute to the interpretation of these interdependencies, the influence of rainfall event characteristics and phenoseasons on stemflow development was analyzed with a new approach. In this study we have focused on the development of stemflow during 156 rainfall events with complete time series records for a single birch tree (Betula pendula Roth.) at a study plot in the city of Ljubljana, Slovenia. For each one of the selected events, diagrams of rainfall and stemflow development during the event were prepared and grouped according to their visual similarities using hierarchical clustering. Additionally, significant meteorological characteristics were determined for each group of events. Four characteristic types of stemflow response were identified and connected to the corresponding event characteristics. Events showing negligible stemflow response to rainfall increase were characterized with rainfall amounts lower than 5 mm, high rainfall intensities, and occurrence in the leafed phenophase. A slow stemflow increase, independent of the increase of the rainfall volume in the open, was recognized for rainfall events delivering less than 20 mm of rainfall during a 5-h duration on average. The majority of these events were observed in the leafed phenophase, corresponding to higher air temperature and vapor pressure deficit. The occurrence of stemflow events, whose development followed the increase of the rainfall amount, was not dependent on the phenophase. However, during these events the average air temperature and vapor pressure deficit were lower, the rainfall amount was larger and the rainfall duration longer in comparison to the events showing independent increase with rainfall. The fourth type of response of stemflow was defined by a strong stemflow response in connection to large rainfall amounts and the longest rainfall duration, as observed for events in the leafless period. The four characteristic types of stemflow response provide additional information on the possible proportion of the rainfall reaching the ground as stemflow.
Jezik:
Angleški jezik
Ključne besede:
stemflow
,
stemflow response
,
rainfall characteristics
,
phenophase
,
hierarchical clustering
Vrsta gradiva:
Znanstveno delo
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FGG - Fakulteta za gradbeništvo in geodezijo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Poslano v recenzijo:
02.02.2021
Datum sprejetja članka:
19.04.2021
Datum objave:
11.05.2021
Leto izida:
2021
Št. strani:
Str. 1-13
Številčenje:
Vol. 4, article 663100
PID:
20.500.12556/RUL-127442
UDK:
556.1
ISSN pri članku:
2624-893X
DOI:
10.3389/ffgc.2021.663100
COBISS.SI-ID:
62752515
Datum objave v RUL:
07.06.2021
Število ogledov:
1022
Število prenosov:
68
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Frontiers in forests and global change
Skrajšan naslov:
Front. for. glob. change
Založnik:
Frontiers Media S.A.
ISSN:
2624-893X
COBISS.SI-ID:
5283750
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:
11.05.2021
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
odtok po deblu
,
odziv odtoka po deblu
,
lastnosti padavin
,
fenofaza
,
hierarhično grupiranje
Projekti
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.
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