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- Title
Spatial and temporal variation of soil organic carbon in the North China Plain.
- Authors
Ma, Rong; Shi, Jiansheng; Zhang, Chao
- Abstract
The organic carbon, permeability test, grain size, chemical composition, and mineral composition were analyzed for 147 samples collected from the Luan River catchment, Hebei province, China, to quantitatively characterize the effects of land use, climate change, sedimentary environment, mineral composition, and chemical composition on the spatial and temporal variation of soil organic carbon (SOC). The results indicate that there was higher SOC content and stronger variation in the south plain than in the northern low mountain. The effects of land use, climate change, and sedimentary environment on SOC distribution were greater than the effects of mineral composition and chemical composition. The cropping systems in the Luan River catchment resulted in significant difference in SOC concentration between the south plain and north mountain. The precipitation mainly transmitted its effects through the sedimentary environment to SOC, which caused the stronger temporal variation in SOC from June to October in the south plain. The north mountain did not have significant temporal variation because of the lower hydraulic conductivity of the sedimentary sequence. The spatial variation of SOC was correlated with land use, and their temporal variation was attributed to climate change and sedimentary environment. Apart from land use, the decision maker can also affect the organic carbon mineral and sequence through the sedimentary environment.
- Subjects
NORTH China Plain (China); CARBON in soils; SOIL sampling; GRAIN size; CLIMATE change
- Publication
Environmental Monitoring & Assessment, 2018, Vol 190, Issue 6, p1
- ISSN
0167-6369
- Publication type
Article
- DOI
10.1007/s10661-018-6734-z