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Global rainfall erosivity projections for 2050 and 2070Panagos, Panos ...The erosive force of rainfall (rainfall erosivity) is a major driver of soil, nutrient losses worldwide and an important input for soil erosion assessments models. Here, we present a comprehensive ... set of future erosivity projections at a 30 arc-second (~1km2) spatial scale using 19 downscaled General Circulation Models (GCMs) simulating three Representative Concentration Pathways (RCPs) for the periods 2041-2060 and 2061-2080. The future rainfall erosivity projections were obtained based on a Gaussian Process Regression (GPR) approach relating rainfall depth to rainfall erosivity through a series of (bio)climatic covariates. Compared to the 2010 Global Rainfall erosivity baseline, we estimate a potential average increase in global rainfall erosivity between 26.2-28.8% for 2050 and 27-34.3% for 2070. Therefore, climate change and the consequential increase in rainfall erosivity is the main driver of the projected +30-66% increase in soil erosion rates by 2070.Vir: Journal of Hydrology. - ISSN 0022-1694 (Letn. , 2022, [43] str.)Vrsta gradiva - članek, sestavni delLeto - 2022Jezik - angleškiCOBISS.SI-ID - 106880515
Avtor
Panagos, Panos |
Borrelli, Pasquale |
Matthews, Francis |
Liakos, Leonidas |
Bezak, Nejc |
Diodato, Nazzareno |
Ballabio, Cristiano
Teme
podnebne spremembe |
kmetijstvo |
tla |
spremembe rabe tal |
R-faktor |
varnost hrane |
climate change |
agriculture |
soil health |
land use change |
R-factor |
food security
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Panagos, Panos | ![]() |
Borrelli, Pasquale | ![]() |
Matthews, Francis | ![]() |
Liakos, Leonidas | ![]() |
Bezak, Nejc | 35409 |
Diodato, Nazzareno | ![]() |
Ballabio, Cristiano | ![]() |
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