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spatial distribution characteristics of soil salinity in coastal zone of the Yellow River Delta

Environmental earth sciences, 2014-07, Vol.72 (2), p.589-599 [Peer Reviewed Journal]

The Author(s) 2013 ;2015 INIST-CNRS ;Springer-Verlag Berlin Heidelberg 2014 ;ISSN: 1866-6280 ;EISSN: 1866-6299 ;DOI: 10.1007/s12665-013-2980-0

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Title:
spatial distribution characteristics of soil salinity in coastal zone of the Yellow River Delta
Author: Yu, Junbao ; Li, Yunzhao ; Han, Guangxuan ; Zhou, Di ; Fu, Yuqin ; Guan, Bo ; Wang, Guangmei ; Ning, Kai ; Wu, Huifeng ; Wang, Jihong
Subjects: agricultural management ; anthropogenic activities ; Areal geology ; Areal geology. Maps ; Biogeosciences ; Brackish ; Coasts ; deltas (landforms) ; Distribution ; Earth and Environmental Science ; Earth Sciences ; Earth, ocean, space ; ecological restoration ; Engineering and environment geology. Geothermics ; Environmental Science and Engineering ; evaporation ; Exact sciences and technology ; farmers ; Geochemistry ; Geographic information systems ; Geologic maps, cartography ; Geology ; geostatistics ; Hydrology/Water Resources ; Marine and continental quaternary ; Original Article ; Pollution, environment geology ; saline soils ; salinity ; scientists ; soil depth ; soil salinity ; soil sampling ; soil texture ; Soils ; spatial data ; Surficial geology ; Terrestrial Pollution ; topsoil ; Wetlands
Is Part Of: Environmental earth sciences, 2014-07, Vol.72 (2), p.589-599
Description: In coastal area, salinization is a common and serious problem for crop cultivation and ecological restoration of degraded wetlands. Therefore, the soil salinity has attracted increasing attention from farmers, government and environmental scientists. The factors controlling the soil salinity distribution have become a hot point in saline soil studies. In this study, statistics and geostatistics were used to explore the distribution of soil salinity in the Yellow River Delta (YRD) based on 150 soil samples that were collected in June 2010. Besides the experimental work, a geographical information system technique was adopted in this study. The results showed that the soil salinity ranged from 0.11 to 10.50 dS m⁻¹ and the salinity in topsoil was higher than that in subsoil in the YRD, indicating that the salt in subsoil moved up and accumulated in topsoil as a function of evaporation. There was a significant difference among soil salinity spatial variances from different soil depths in the YRD. Generally, soil salinity of the topsoil was higher than that of the subsoil. Meanwhile, there were significant positive correlations in soil salinity between different soil depths. In addition, landforms, land uses, soil types and soil texture were important factors affecting soil salinity. The current distribution of soil salinity resulted from the comprehensive effects of anthropogenic activities and natural processes. The present study results suggest that the impacts of human activities were critical factors for salt redistribution in the coastal wetlands, which should be valuable for agricultural management and ecological restoration in the YRD.
Publisher: Berlin/Heidelberg: Springer-Verlag
Language: English
Identifier: ISSN: 1866-6280
EISSN: 1866-6299
DOI: 10.1007/s12665-013-2980-0
Source: SpringerOpen
AUTh Library subscriptions: ProQuest Central
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spatial distribution characteristics of soil salinity in coastal zone of the Yellow River Delta

The Author(s) 2013 ;2015 INIST-CNRS ;Springer-Verlag Berlin Heidelberg 2014 ;ISSN: 1866-6280 ;EISSN: 1866-6299 ;DOI: 10.1007/s12665-013-2980-0

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