Application of the caesium-137 technique in a study of soil erosion on gully slopes in a yuan area of the Loess Plateau near Xifeng, Gansu Province, China
This paper reports the results of a study of patterns and rates of soil redistribution under different land-management strategies in the Nan Xiaohe Gully near Xifeng, in Gansu Province, using the caesium-137 technique. Description of the study area
Chine ; Gansu ; Glissement de terrain ; Géotechnique ; Loess ; Mouvement de masse ; Mécanique des sols ; Paléosol ; Précipitation ; Risque naturel ; Sédimentologie ; Séisme
China ; Earthquake ; Gansu ; Geotechnics;Engineering geology ; Landslide ; Loess ; Mass movement ; Natural hazards ; Palaeosol ; Precipitation ; Sedimentology ; Soil mechanics
Some first results, including maps, profiles, sedimentology, stratigraphy, geotechnics, meteorology and infiltration rates are presented as a basis for the characterisation of the Gansu loess landslides, as well as indications of future work.
Aménagement hydraulique ; Barrage ; Centrale hydro-électrique ; Chine ; Cours d'eau ; Energie ; Gansu ; Géographie de l'Asie ; Huanghe, fleuve ; Image Landsat ; Irrigation ; Régularisation
Régularisation, aménagement hydraulique, barrages, centrale hydro-électrique de Liu-Chia-hsia dans le Gansu, irrigation et contrôle de l'érosion. (Vnm).
Geoanalytische Gefahrenbetrachtung an Rutschgefährdeten Talflanken im Lössplateau der Provinzen Gansu und Shaanxi, VR China.
Etude géologique des risques de glissement de terrain le long des versants dans le plateau loessique des provinces de Gansu et Shaanxi en République Populaire de Chine.
Action anthropique ; Chine ; Développement durable ; Erosion ; Gansu ; Géotechnique ; Loess ; Mouvement de masse ; Risque ; Versant
China ; Erosion ; Gansu ; Geotechnics ; Human impact ; Loess ; Mass movement ; Risk ; Slope ; Sustainable development
The Lanzhou region of Gansu Province forms the focus of this study. Here, human activity is expanding into a very sensitive environment resulting in increasing risks of the occurence of geohazards associated with loess failure. The failure of loess
Historical distribution of forests and grasslands in Gansu Province.
Action anthropique ; Archives ; Chine ; Chine, nord-ouest ; Dynastie Han ; Dynastie Ming ; Dynastie Qin ; Dynastie Qing ; Dynastie Tang ; Déboisement ; Dégradation de l'environnement ; Forêt ; Gansu ; Guerre ; Géographie historique ; Histoire de la
Historical records of the Qin (221-207 BC) and Han (207 BC-220AD) dynasties show that the present day bare hills and parched landscape of Gansu were forest-covered and grasslands supporting large herds of domestic animals. It was due to over
This study is based on a comparative analysis of the environmental evolution information recorded in the Qinghai Lake, the western edge of the Loess Plateau and Zoige and the spatial distribution of Neolithic sites of the Gansu-Qinghai region
. Results and discussion. The climate change in the early, middle and late periods of the Holocene Megathermal was consistent which the development of Neolithic cultures in the Gansu-Qinghai region, which well explains the evolution of man-land relationship
Response of vegetation restoration to climate change and human activities in Shaanxi-Gansu-Ningxia Region
Action anthropique ; Années 2000-2009 ; Changement climatique ; Chine ; Développement durable ; Espace-temps ; Gansu ; Gestion de l'environnement ; Indice de végétation ; Ningxia ; Restauration écologique ; Shaanxi ; Végétation
China ; Climatic change ; Ecological restoration ; Environmental management ; Gansu ; Human impact ; Ningxia ; Shaanxi ; Space time ; Sustainable development ; Vegetation ; Vegetation index
In order to monitor the vegetation variations and clarify the causes of rehabilitation in the Shaanxi-Gansu-Ningxia Region, this paper, based on the MODIS-NDVI and climate data during the period of 2000–2009, analyzes the main characteristics