J4 ›› 2012, Vol. 42 ›› Issue (5): 1477-1484.

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Formation Environment and Distribution Characteristics of Main Swamp Turfy Soil in China

NIE Lei, SU Zhan-dong, XU Li-na, YANG Xu-ran   

  1. College of Construction Engineering, Jilin University, Changchun130026, China
  • Received:2012-06-08 Online:2012-09-26 Published:2012-09-26

Abstract:

Swamp turfy soil is a special kind of humus soil, and their formation is the result of a variety of geographical factors’ acting. With the comparative study of landform, climate, hydrology and vegetation conditions of the formation of the environment in the main  swamp turfy soil areas, it is found that these areas have common generating environment characteristics: flat terrain, more gully landforms and microtopography, humid climate, sufficient water source, significant ‘diaphragm’ effect, which together form hydrops moist environment. On the one hand it flourishes the swamp vegetation, on the other hand it inhabits the microbial activity to a great extent to decrease the decomposition of the plant residues in this low temperature environment, and finally it makes the turfy soil accumulated, developed and distributed increasingly.

Key words: swamp turfy soil, ‘diaphragm&rsquo, effect, hydrops moist environment, low temperature environment, distribution characteristics, soils

CLC Number: 

  • P642.1
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