BP network model research on water and salt transfer forecast in seasonal freezing and thawing soils

Ruiping Li, Haibin Shi, Takeo Akae, Yiqiang Zhang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Prediction and simulation of water and salt transfer in freezing and thawing soils have always been a considerable attention and difficult research on the physics of frozen soils and soil water science. It is considered that the movement and distribution rule of frozen soil water and salt is a significant factor on the evolution and transition of soil salinity and alkalinity. Based on field measurements of water, salt and temperature for five years (1994-1999) over-wintering in Inner Mongolia Hetao Irrigation District, the model of artificial neural network on soil water and salt transfer under freezing-thawing conditions was established. The results show that BP network of ten factors i.e. groundwater table, water content, salt content, irrigation amount and average monthly soil temperature from November to April next year, can reflect the coupling relation between soil water and salt under freezing and thawing conditions. The BP network may forecast field coupling transfer of soil water and salt under freezing and thawing conditions accurately. This study offer an effective and feasible method for manages irrigation district and forecast of soil water and salt transfer under freezing-thawing conditions.

Original languageEnglish
Pages (from-to)125-128
Number of pages4
JournalNongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering
Volume23
Issue number11
Publication statusPublished - Nov 2007

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Thawing
soil salts
Freezing
thawing
freezing
Soil
Salts
soil water
salts
Soils
Water
Research
frozen soils
soil
freeze-thaw cycles
water
Irrigation
Frozen soils
irrigation
salt content

Keywords

  • BP network
  • Freezing and thawing soils
  • Water and salt transfer

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)

Cite this

BP network model research on water and salt transfer forecast in seasonal freezing and thawing soils. / Li, Ruiping; Shi, Haibin; Akae, Takeo; Zhang, Yiqiang.

In: Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering, Vol. 23, No. 11, 11.2007, p. 125-128.

Research output: Contribution to journalArticle

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