This dataset includes sediment concentration and grain size distribution of runoff water sample at Jiangjia Ravine and Xiangjiang River.
collect time | 1966/01/01 - 2020/12/31 |
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collect place | Jiangjia Ravine and Xiaojiang River Catchment, Dongchuan District, Yunnan Province, China |
altitude | 695.0m - 4344.0m |
data size | 193.5 KiB |
data format | excel |
Coordinate system |
In 1966, the runoff discharge at Jiangjia Ravine in Baishapo and Xiadawa was estimated based on manually measured flow area and velocity. From 2004, the suspended-sediment concentration and grain size distribution were measured in Xiaojiang River at different locations. From 2012, the sediment concentration and sediment grain size distribution of runoff were measured at Jiangjia Ravine. A water sample was manually collected with a volume of 500 ml, and then sediment contained within the sample was filtered, dried, and weighed. Sediment concentration was determined by comparing the weight of the sediment to the total sample weight. Particle size analysis of the sediment was conducted using a Malvern laser particle size analyzer (Model MS2000).
Raw observational data, unprocessed.
The data quality is reliable.
# | title | file size |
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1 | Acquisition period for dataset at Jiangjia Ravine.xlsx | 20.7 KiB |
2 | Description of sediment concentration and grain size distribution of runoff water sample.docx | 23.7 KiB |
3 | Sediment concentration and grain size distribution at Jiangjia Ravine, Yunnan, China, from 2012 to 2020.xlsx | 27.4 KiB |
4 | Sediment concentration and grain size distribution in Xiaojiang River, Yunnan, China, from 2004 to 2014.xlsx | 103.6 KiB |
5 | Water runoff data of Xiadawa and Baishapo at Jiangjia Ravine, 1966.xlsx | 18.1 KiB |
Jiangjia Ravine sediment concentration grain size distribution
1966 2004 2005 2006 2007 2008 2011 2012 2013 2014 2015 2019 2020
©Copyright 2005-. Northwest Institute of Eco-Environment and Resources, CAS.
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