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Frontiers | Analysis of Hillslope Erosion Based on Excess Topography in Southeastern Tibet


1
1Key Laboratory of Mountain Hazards and Surface Process, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu, China
2China-Pakistan Joint Research Center on Earth Sciences, CAS-HEC, Islamabad, Pakistan
3China Railway Eryuan Engineering Group Co. Ltd., Chengdu, China
4University of Chinese Academy of Sciences, Beijing, China
5Earth and Atmospheric Sciences, Indiana University, Bloomington, IN, United States
The southeastern Tibetan Plateau has been deeply dissected by major rivers and their tributaries into high-relief topography with deep gorges. In this region, most hillslope gradients in the high-relief areas approach a threshold value, and landslides are the dominant surface erosion process. For this work, we analyzed the hillslope erosion process by determining the excess topography from the threshold hillslope. Slope analysis found a similar normal distribution of slope values for six large drainage basins with differe ....

Yangtze River , China General , United States , Min River , New Zealand , Papua New Guinea , Azad Kashmir , Tibetan Plateau , Liwen Bianji Edanz , Wolfgang Schwanghart , Katherine Armstrong , Software For Topographic Analysis , National Natural Science Foundation Of China , Drainage Network Evolution , China Geological , Modeling In Earth Surface Sciences , Research On Cognization , Pakistan Joint Research Center On Earth Sciences , China Railway Eryuan Engineering Group Co Ltd , Channel Adjustment To , United States Geological , River Network Disruption , Lancang River , Hengduan Mountain , Gaoligong Mountains , Dadu River ,

Siuslaw National Forest Enacts New Fire Restrictions


The threat of wildfire has led to new restrictions on the Siuslaw National Forest, which stretches along the Oregon Coast Range between Reedsport and Tillamook.
Siuslaw National Forest stretches from Tillamook to Reedsport in the Oregon Coast Range. This file photo was taken near Lincoln City.
Credit Chris Lehman / KLCC
  
The Forest Service has banned campfires except for those in developed campgrounds and picnic areas. There’s also a ban on motorized vehicles except on designated trails and roads.
 
Spokesperson Lisa Romano said with conditions so dry, the goal is to minimize the potential for human-caused fires.
“These restrictions can help us avoid the risk of even small fires that can get away from us, which would stretch the already really-stretched fire fighting resources in this region, she said.  ....

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