Individual Transpiration Model of Stipa Bungeana in Huangfuchuan Watershed

YU Hong-bo; YANG Jie; XU Yan-da; ZHANG Pu-jin; LIU Xin

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Individual Transpiration Model of Stipa Bungeana in Huangfuchuan Watershed

- Individual Transpiration Model of Stipa Bungeana in Huangfuchuan Watershed
- Bulletin of Soiland Water Conservation Vol. 28, Issue 1, Pages: 78-82(2009)
- 作者机构：
  
  1. 内蒙古草地生态重点实验室省部共建国家重点实验室培育基地,内蒙古,呼和浩特,010021
  2. 内蒙古师范大学地理科学学院,内蒙古,呼和浩特,010022
- 作者简介：
- 基金信息：
- DOI：
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- Published：2009
- 稿件说明：
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YU Hong-bo, YANG Jie, XU Yan-da, et al. Individual Transpiration Model of Stipa Bungeana in Huangfuchuan Watershed[J]. Bulletin of Soiland Water Conservation, 2009, 28(1): 78-82.
DOI：

YU Hong-bo, YANG Jie, XU Yan-da, et al. Individual Transpiration Model of Stipa Bungeana in Huangfuchuan Watershed[J]. Bulletin of Soiland Water Conservation, 2009, 28(1): 78-82. DOI：

摘要

采用快速离体称重法

测定皇甫川流域本氏针茅每日6:00-19:00蒸腾强度的日动态;用自动气象站同步连续监测太阳总辐射、空气温度、空气相对湿度、风速10cm处土壤温度等环境因子;用LI-6400便携式光合系统同步测定本氏针茅每日6:00-19:00的叶蒸腾速率、气孔导度等因子

并用Excel 2003

Visual C

6.0和SPSS 13.0处理所测定数据。通过分析本氏针茅每1h单株蒸腾量与环境因子以及植物特性因子之间的关系

建立了皇甫川流域单株本氏针茅瞬时蒸腾量数学模型。通过对模型评价指标进行计算及分析

认为该模型拟合优度较好

可以获得满意的数值模拟结果。在此基础上

建立了单株本氏针茅的日蒸腾量数学模型。

Abstract

Transpiration of Stipa bungeana in Huangfuchuan watershed was measured using isolated weighing method.Synchronous environmental factors such as incident solar radiation

air temperature

relative air humidity

wind speed

and soil temperature at depth of 10cm were recorded continuously using automatic weather station.Leaf transpiration rate and leaf stomatal conductance were also measured using LI-6400.The data were then processed using Excel 2003

Visual C++ 6.0

and SPSS 13.0. The individual transpiration model was developed by analyzing the correlation between transpiration and environmental factors along with plant characteristic factors.The model is evaluated to be good based on the performance indices.The mathematical model of daily transpiration for S.bungeana in Huangfuchuan watershed was developed based on the model of hourly transpiration.

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Related Institution

College of Resources and Environment,Northwest A & F University,Yangling,.

Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources,Yangling

Inner Mongolia Grassland Ecology Laboratory, the Cultivation Base of State Key Laboratory Cosponsored by Inner Mongolia and Education Ministry, Inner Mongolia University

School of Resources and Environment Management, Jiangxi University of Financial and Economics

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