Seasonal variability of runoff and soil loss on forest road backslopes under simulated rainfall

Autor:	Lorena Martínez-Zavala, A. Jordán López, N. Bellinfante
Rok vydání:	2008
Předmět:	Mediterranean climate Hydrology Soil loss Simulated rainfall Rainfall simulator Forest road Sediment Environmental science Runoff curve number Surface runoff Earth-Surface Processes
Zdroj:	CATENA. 74:73-79
ISSN:	0341-8162
Popis:	Runoff and soil loss from forest road backslopes is a serious problem in Mediterranean areas. Surface runoff and sediment production on backslopes of forest roads in Los Alcornocales Natural Park (southern Spain) has been studied in this paper using a simple portable rainfall simulator at an intensity of 90 mm h− 1. One hundred rainfall simulations were performed on bare and vegetated road backslopes during summer and winter in order to study seasonal differences. Runoff coefficients and soil loss rates were lower on the vegetated plots than on the bare ones. Runoff coefficients increased 1.7 (bare backslopes) and 3.1 times (vegetated backslopes) from summer to winter. Preserving the vegetation cover over 20% is recommended for keeping soil loss rates under low levels, especially during winter.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::5dc8eb59ea2292604ca02f36d8d45e5a https://doi.org/10.1016/j.catena.2008.03.006 Zobrazit plný text záznamu Full Text from ScienceDirect