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Towards multi-model soil erosion modelling : an evaluation of the Erosion Potential Method (EPM) for global soil erosion assessments
ID
Bezak, Nejc
(
Avtor
),
ID
Borrelli, Pasquale
(
Avtor
),
ID
Mikoš, Matjaž
(
Avtor
),
ID
Jemec Auflič, Mateja
(
Avtor
),
ID
Panagos, Panos
(
Avtor
)
PDF - Predstavitvena datoteka,
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MD5: CAF5EDE31A4ECD4BB0AF64A5A87D7BAB
URL - Izvorni URL, za dostop obiščite
https://www.sciencedirect.com/science/article/pii/S0341816223006872
Galerija slik
Izvleček
Soil erosion is expected to increase in the future due to climate change. Soil erosion models are useful tools that can be used by decision makers and other stakeholders to deal with soil erosion problems or the implementation of soil protection measures. Most of the modelling applications are using Universal Soil Loss Equation (USLE)-type models. In this study, we evaluate the applicability of the Erosion Potential Model (EPM) and its modified version (mEPM) for the estimation of the gross and net erosion rates at a global scale. The sensitivity analysis shows that the model results have the highest variability due to the soil protection (land cover) coefficient followed by the soil erodibility parameter. The models’ evaluations indicate that that the EPM cannot be applied to cold regions while the mEPM overcomes this issue. The erosion rates based on the EPM were 1.5–2.5 times larger than the ones obtained from the mEPM. Increasing the number of catchment properties as inputs to the model may help in improving the performance of the tested EPM and mEPM. Moreover, a comparison of net soil losses by mEPM with long-term suspended sediment yield data for 116 catchments located around the globe indicates a median bias of less than 10%, although the bias for around 1/3 of catchments was above 100%. Furthermore, a direct comparison with other soil erosion models such as USLE-type models is not possible since the EPM and mEPM do take into consideration other processes such as soil slumps and gully erosion and not just sheet and rill erosion. Therefore, as expected, the gross erosion rates by the EPM and mEPM are higher compared to the USLE-type models. Hence, the mEPM, despite its limitations, could be regarded as an interesting approach for the describing erosion processes around the globe and should be further tested using small- and medium-sized catchments from various climate zones.
Jezik:
Angleški jezik
Ključne besede:
global assessment
,
Erosion Potential Model
,
EPM
,
soil erosion
,
modified Erosion Potential Model
,
mEPM
,
sediment yield
,
model evaluation
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:
2024
Št. strani:
12 str.
Številčenje:
Vol. 234, art. 107596
PID:
20.500.12556/RUL-151971
UDK:
504.12:551.311.21
ISSN pri članku:
0341-8162
DOI:
10.1016/j.catena.2023.107596
COBISS.SI-ID:
168494083
Datum objave v RUL:
26.10.2023
Število ogledov:
370
Število prenosov:
56
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Objavi na:
Gradivo je del revije
Naslov:
Catena : an interdisciplinary journal of soil science - hydrology- geomorphology focusing on geoecology and landscape evolution
Skrajšan naslov:
Catena
Založnik:
Elsevier
ISSN:
0341-8162
COBISS.SI-ID:
25199104
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.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
globalna ocena
,
Gavrilovićeva metoda
,
erozija tal
,
prilagojena Gavrilovićeva metoda
,
dotok sedimentov
,
vrednotenje modela
Projekti
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:
N2-0313
Naslov:
Lokalni vplivi na površinski odtok
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
J1-2477
Naslov:
Erozijski procesi na obalnih flišnih klifih z oceno tveganja
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
J1-3024
Naslov:
Dešifriranje občutljivosti skalnih sten na podnebne spremembe in cikle zmrzovanja in odtaljevanja na območjih brez permafrosta
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:
Drugi - Drug financer ali več financerjev
Program financ.:
UNESCO Chair on Water-related Disaster Risk Reduction
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