نتایج جستجو برای: bank erosion

تعداد نتایج: 93406  

2009
David P. Groeneveld

Groundwater is closely coupled with stream­ flow to maintain water supply to riparian vegetation, parti­ cularly where precipitation is seasonal. A case study is presented where Mediterranean climate and groundwater extraction are linked with the decline of riparian vegeta­ tion and subsequent severe bank erosion on the Carmel River in Carmel Valley, California.

2016
Junqiang Xia Shanshan Deng Jinyou Lu Quanxi Xu Quanli Zong Guangming Tan

Significant channel adjustments have occurred in the Jingjiang Reach of the Middle Yangtze River, because of the operation of the Three Gorges Project (TGP). The Jingjiang Reach is selected as the study area, covering the Upper Jingjiang Reach (UJR) and Lower Jingjiang Reach (LJR). The reach-scale bankfull channel dimensions in the study reach were calculated annually from 2002 to 2013 by means...

2015
Jia Gao Lawrence P. Sanford Cindy M. Palinkas Dong Liang Jacqueline Tay

Title of thesis: INFLUENCES OF WAVE CLIMATE AND SEA LEVEL ON SHORELINE EROSION RATES IN THE MARYLAND CHESAPEAKE BAY Jia Gao, Master of Science, 2015 Thesis directed by: Professor Lawrence P. Sanford, University of Maryland Center for Environmental Science (UMCES) SWAN and a parametric wave model implemented by the Chesapeake Bay Program (CBP) were used to simulate wave climate from 1985 to 2005...

Journal: :New Zealand Journal of Marine and Freshwater Research 2016

Journal: :Proceedings of the Japan Society of Civil Engineers 1981

2007
Elizabeth A. Allen Robert S. Nowak

As pinyon–juniper (specifically, Pinus monophylla and Juniperus osteosperma) woodlands in the western United States increase in distribution and density, understory growth declines and the occurrence of crown fires increases, leaving mountainsides open to both soil erosion and invasion by exotic species. We examined if the loss in understory cover that occurred with increasing tree cover was re...

Journal: :International Journal of Integrated Engineering 2021

Riverbank erosion is a major concern in all parts of the world due to its extensive impacts geomorphologically and economically. This study aims quantify rates riverbank Pusu River using pins method. Two sections river were selected namely site A B where straight section while situated on outside bend. 21 installed at each grid pattern. Measurement exposure taken from February 2019 April 2019. ...

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