基于作物需水量的城市农业水资源评估——以贵州省贵阳市为例

李亮; 马良瑞; 熊康宁

doi:10.13961/j.cnki.stbctb.2019.04.047

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基于作物需水量的城市农业水资源评估——以贵州省贵阳市为例

试验研究

- 基于作物需水量的城市农业水资源评估——以贵州省贵阳市为例
- Evaluation of Agricultural Water Resources in Urban Area Based on Crop Water Demand—A Case Study in Guiyang City in Guizhou Proivince
- 水土保持通报 2019年39卷第4期页码：300-305
- 作者机构：
  
  1. 贵州师范大学喀斯特研究院,贵州,贵阳,550001
  2. 贵州财经大学管科学院,贵州,贵阳,550025
  3. 贵州师范大学地理与环境科学学院,贵州,贵阳,550001
- 作者简介：
- 基金信息：
  
  贵州省研究生教育创新计划项目"贵州省熊康宁喀斯特环境研究生导师工作室建设"（黔教研究全GZS字[2016]04号）;贵州省科学技术厅项目（黔科合SZ字[2012]3018号）;贵州省环保厅项目（11904-0502212y0060）
- DOI：10.13961/j.cnki.stbctb.2019.04.047
  中图分类号： TV213;F323.213
- 纸质出版：2019
- 稿件说明：
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李亮, 马良瑞, 熊康宁. 基于作物需水量的城市农业水资源评估——以贵州省贵阳市为例[J]. 水土保持通报, 2019,39(4):300-305.

Li Liang, Maliang Rui, Xiong Kangning. Evaluation of Agricultural Water Resources in Urban Area Based on Crop Water Demand—A Case Study in Guiyang City in Guizhou Proivince[J]. Bulletin of Soiland Water Conservation, 2019, 39(4): 300-305.
李亮, 马良瑞, 熊康宁. 基于作物需水量的城市农业水资源评估——以贵州省贵阳市为例[J]. 水土保持通报, 2019,39(4):300-305. DOI： 10.13961/j.cnki.stbctb.2019.04.047.

Li Liang, Maliang Rui, Xiong Kangning. Evaluation of Agricultural Water Resources in Urban Area Based on Crop Water Demand—A Case Study in Guiyang City in Guizhou Proivince[J]. Bulletin of Soiland Water Conservation, 2019, 39(4): 300-305. DOI： 10.13961/j.cnki.stbctb.2019.04.047.

摘要

[目的

]

对贵阳市城市农业绿水和蓝水的水足迹与灌溉效率进行定量研究，为科学定量评估城市农业用水和管理监测提供依据。[方法

]

利用实地调查数据、贵阳市气象数据与农业统计数据，基于作物需水量、水足迹的方法进行农业水资源评估。[结果

]

①作物水足迹极值取决于调查样地作物单位面积产量的极值。②贵阳市城市农业不同作物生长的消耗绿水量均高于蓝水量，绿水量和蓝水量的比例范围从最低53.81%（豇豆）到最高63.60%（番茄）。③贵阳市城市农业3种灌溉效率（沟灌、喷灌和滴灌）分别为27.23%，69.45%与80.32%。④2017年贵阳市城市农业蓝色水量灌溉需求量在4.81×10

（完全滴灌）与6.93×10

（完全沟灌）之间。[结论

]

2017年贵阳市城市农业总用水需求为1.29×10

，其中8.84×10

为绿水，4.02×10

为蓝水。灌溉方式对贵阳市城市农业用水有较大的提升空间，滴灌方式对贵阳市城市农业水资源管理贡献率达53.09%。

Abstract

[Objective] This paper conducted a quantitative study on the water footprint and irrigation efficiency of green water and blue water in urban agriculture in guiyang city

so as to provide a basis for scientific quantitative evaluation of urban agricultural water use and management monitoring.[Methods] Using field survey data

meteorological data of Guiyang City and agricultural statistical data

based on crop water demand

water footprint method to evaluate agricultural water resources.[Results] ① The extreme value of crop water footprint depends on the extreme value of crop yield per unit area of the sample plot. The green water footprint and blue water footprint were 741.60

153.48

424.44 and 87.84 m3/t. ② The green water consumption of different crops in urban agriculture was higher than the blue water consumption. The proportion of green water and blue water ranged from 53.81%(cowpea) to 63.60%(tomato). ③ The three irrigation efficiencies of urban agriculture are 27.23%

69.45% and 80.32%

respectively. ④ In 2017

the urban agricultural blue water irrigation demand is between 4.81×105 m3 (complete drip irrigation) and 6.93×105 m3(complete ditch irrigation).[Conclusion] In 2017

the total water demand for urban agriculture in Guiyang City was 1.29×106 m3

of which 8.84×105 m3 was green water and 4.02×105 m3 was blue water. The irrigation method has great room to improve the urban agricultural water use in Guiyang City

and the contribution rate of drip irrigation method to the urban agricultural water resource management in Guiyang City is up to 53.09%.

关键词

Keywords

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