<abstract xmlns="http://www.w3.org/1999/xhtml"><p> In this paper, to evaluate the hydrological effects of Caragana korshinskii Kom., measured data were combined with model-simulated data to assess the C. korshinskii soil water content based on water balance equation. With measured and simulated canopy interception, plant transpiration and soil evaporation, soil water content was modeled with the water balance equation. The monthly variations in the modeled soil water content by measured and simulated components (canopy interception, plant transpiration, soil evaporation) were then compared with in situ measured soil water content. Our results shows that the modeled monthly water loss (canopy interception + soil evaporation + plant transpiration) by measured and simulated components ranges from 43.78 mm to 113.95 mm and from 47.76 mm to 125.63 mm, respectively, while the monthly input of water (precipitation) ranges from 27.30 mm to 108.30 mm. The relative error between soil water content modeled by measured and simulated components was 6.41%. To sum up, the net change in soil water (ΔSW) is negative in every month of the growing season. The soil moisture is approaching to wilting coefficient at the end of the growth season, and the soil moisture recovered during the following season.</p></abstract>

In this paper, to evaluate the hydrological effects of Caragana korshinskii Kom., measured data were combined with model-simulated data to assess the C. korshinskii soil water content based on water balance equation. With measured and simulated canopy interception, plant transpiration and soil evaporation, soil water content was modeled with the water balance equation. The monthly variations in the modeled soil water content by measured and simulated components (canopy interception, plant transpiration, soil evaporation) were then compared with in situ measured soil water content. Our results shows that the modeled monthly water loss (canopy interception + soil evaporation + plant transpiration) by measured and simulated components ranges from 43.78 mm to 113.95 mm and from 47.76 mm to 125.63 mm, respectively, while the monthly input of water (precipitation) ranges from 27.30 mm to 108.30 mm. The relative error between soil water content modeled by measured and simulated components was 6.41%. To sum up, the net change in soil water (ΔSW) is negative in every month of the growing season. The soil moisture is approaching to wilting coefficient at the end of the growth season, and the soil moisture recovered during the following season.

Soil water content and water balance simulation of Caragana korshinskii Kom. in the semiarid Chinese Loess Plateau

State Key Laboratory of Grassland and Agro-Ecosystems, School of Life Sciences, Lanzhou University, Huyang building 301, Tianshui south road 222, Lanzhou, China

State Key Laboratory of Grassland and Agro-Ecosystems, School of Life Sciences, Lanzhou University, Huyang building 301, Tianshui south road 222, Lanzhou, China. / College of Resource and Environmental Sciences, Gansu Agricultural University, Forestry building 204, Yingmen village 1, Lanzhou, China.

Ministry of Education Key Laboratory of Western China Environmental Systems, Lanzhou University, Huyang building 301, Tianshui south road 222, Lanzhou, China.

Journal of Hydrology and Hydromechanics

In this paper, to evaluate the hydrological effects of Caragana korshinskii Kom., measured data were combined with model-simulated data to assess the C....

Soil water content and water balance simulation of Caragana korshinskii Kom. in the semiarid Chinese Loess Plateau

Published Online: Apr 04, 2014

Page range: 89 - 96

DOI: https://doi.org/10.2478/johh-2014-0020

Keywords
Shrub canopy, Interception, Transpiration, Soil evaporation, Water balance, Semiarid region

This content is open access.

Soil water content and water balance simulation of Caragana korshinskii Kom. in the semiarid Chinese Loess Plateau

Published Online: Apr 04, 2014

Page range: 89 - 96

DOI: https://doi.org/10.2478/johh-2014-0020

KeywordsShrub canopy, Interception, Transpiration, Soil evaporation, Water balance, Semiarid region

This content is open access.

Keywords
Shrub canopy, Interception, Transpiration, Soil evaporation, Water balance, Semiarid region