197 Result(s)
within
Earth Sciences, general
Environment, general
Ri** Feng
Earth Sciences
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Article
Long-term activity of earthquake-induced landslides: A case study from Qionghai Lake Basin, Southwest of China
Earthquake-triggered landslides are a major geological hazard in the eastern Tibetan Plateau, and have prolonged impact on earth surface processes and fluvial system. To determine how long co-seismic landslide...
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Article
Precipitation type estimation and validation in China
The results from three methods aimed at improving precipitation type (e.g., rain, sleet, and snow) estimation are presented and compared in this paper. The methods include the threshold air temperature (AT), t...
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Article
Debris flow hazard assessment using set pair analysis models: Take Beichuan county as an example
Assessment of debris flow hazards is important for develo** measures to mitigate the loss of life and property and to minimize environmental damage. Two modified uncertainty models, Set Pair Analysis (SPA) a...
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Article
The variability of the snow and ice melt in alpine rivers in northwestern China
The study of snow and ice melt (SIM) is important in water-scarce arid regions for the assessment of water supply and quality. These studies involve unique difficulties, especially in the calibration of hydro-...
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Article
The “valley economy” model of regional development: A case study of mountain areas in Bei**g, northern China
A case study is presented of a regional development model for valley economies in the mountain areas of Bei**g, China. The nature and framework of the valley economy model are described and the development of...
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Article
Case history of the disastrous debris flows of Tianmo Watershed in Bomi County, Tibet, China: Some mitigation suggestions
Debris flows and landslides, extensively develo** and frequently occurring along Parlung Zangbo, seriously damage the Highway from Sichuan to Tiebt (G318) at Bomi County. The disastrous debris flows of the T...
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Article
Multi-time scale analysis of runoff at the Yangtze estuary based on the Morlet Wavelet Transform method
Runoff series of the Yangtze River presents an intricate variation tendency under the reinforced influence of human activities. The Morlet Wavelet Transform method has been applied to analyze the annual runoff...
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Article
Combined impacts of antecedent earthquakes and droughts on disastrous debris flows
This paper describes a study on the combined impacts of antecedent earthquakes and droughts on disastrous debris flows. This is a novel attempt in quantifying such impacts using the effective peak acceleration...
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Article
An assessment of changes in bioclimatic types in Sichuan Province, 1961–2010
Assessing the impact of climate change is important for ecosystem conservation and plant recovery, especially in climate sensitive regions. Various studies suggested that the Köppen classification is an effect...
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Article
Rainfall and tillage impacts on soil erosion of slo** cropland with subtropical monsoon climate — A case study in hilly purple soil area, China
Under global warming, storm events tend to intensify, particularly in monsoon-affected regions. As an important agricultural area in China, the purple soil region in the Sichuan Basin, where it has a prevailin...
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Article
Snowline and snow cover monitoring at high spatial resolution in a mountainous river basin based on a time-lapse camera at a daily scale
Snowline change and snow cover distribution patterns are still poorly understood in steep alpine basins of the Qilian Mountainous region because fast changes in snow cover cannot be observed by current sensing...
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Article
Shrub communities and environmental variables responsible for species distribution patterns in an alpine zone of the Qilian Mountains, northwest China
Understanding the factors that drive variation in species distribution is a central theme of ecological research. Although several studies focused on alpine vegetation, few efforts have been made to identify t...
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Article
Catastrophic debris flows on July 10th 2013 along the Min River in areas seriously-hit by the Wenchuan earthquake
Over 240 debris flows occurred in hill-slopes, gullies ( indicated those with single-channel) and watersheds (indicated those with tributaries and channels) on July 10th 2013 in the Wenchuan county, and caused 29...
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Article
Recent climate warming of central China reflected by temperature-sensitive tree growth in the eastern Qinling Mountains and its linkages to the Pacific and Atlantic oceans
We have developed a 202-year tree-ring width chronology of Shensi fir (Abies chensiensis) growing in an open canopy forest at the treeline of the eastern Qinling Mountains. Climate response analyses revealed that...
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Article
Mass loss from glaciers in the Chinese Altai Mountains between 1959 and 2008 revealed based on historical maps, SRTM, and ASTER images
Mass loss of glaciers in the Chinese Altai was detected using geodetic methods based on topographical maps (1959), the Shuttle Radar Topography Mission (SRTM) Digital Elevation Model (DEM) (2000), and the Adva...
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Article
Soil cellulase activity and fungal community responses to wetland degradation in the Zoige Plateau, China
Four soil types (peat, marsh, meadow, and sandy) in the Zoige Plateau of China are associated with the severity of wetland degradation. The effects of wetland degradation on the structure and abundance of fung...
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Article
Glacier changes during the past 40 years in the West Kunlun Shan
Recent studies on glaciers in the West Kunlun Shan, northwest Tibetan Plateau, have shown that they may be stable or retreating slightly. Here, we assess changes in the mass of the glaciers in the West Kunlun ...
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Article
Spatial and temporal variability of water vapor content during 1961–2011 in Tianshan Mountains, China
Based on the climate factors data and surface vapor pressure (SVP) data of 44 weather stations in Tianshan Mountains during the years 1961–2011, this paper establishes a water vapor content (WVC) estimation mo...
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Article
Reproduction of the sedimentary disturbance phenomenon of the Diexi ancient landslide-dammed lake under earthquake
Valuable geological and environmental information can be obtained from the 200 m thick lacustrine sediments in the Diexi lake (an ancient landslide-dammed lake) of the Minjiang River. The shaking table test me...
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Article
Characteristics of permafrost along Highway G214 in the Eastern Qinghai-Tibet Plateau
The characteristics of the permafrost along National Highway No. 214 (G214) in Qinghai province (between kilometer markers K310 and K670), including the distribution patterns of permafrost and seasonally froze...
