地中海农业中的水足迹和压力指数评估
Ameneh Hatami1, Behnoush Farokhzadeh2, Ommolbanin Bazrafshan3
1Department of Nature Engineering, Faculty of Natural Resources and Environment, Malayer University, Malayer, Iran.
Environmental monitoring and assessment
|February 17, 2025
概括
克尔曼沙省的农业用水短缺严重,对豆和核桃等作物的水足迹很高. 持续的水资源压力指数表明资源的压力很大,需要可持续的管理策略来实现农业的可持续性.
科学领域:
- 农业用水管理农业用水管理
- 水文学的水文学
- 环境科学 环境科学
背景情况:
- 半干旱地区和地中海地区由于水资源短缺而面临着重大的农业可持续性挑战.
- 伊朗克尔曼沙省作为评估农业水资源依赖和压力的案例研究.
研究的目的:
- 从2010年到2019年评估克尔曼沙赫农业部门的水资源依赖性和水压力.
- 通过使用综合指标量化该地区的作物生产的水足迹.
主要方法:
- 使用的水足迹指标:水压力指数 (WSI),农业水压力指数 (AWSI),蓝水稀缺指数 (BWS) 和区域农业水足迹强度 (AWFI).
- 采用NETWAT软件和FAO-Penman-Monteith方程来估计植物相关的水数据,包括蒸发和作物水需求.
- 对田间和果园作物的2010年至2019年的数据进行了分析.
主要成果:
- 农作物总产量 (26.62万) 的水足迹为159.8 Gm3,其中田间作物占主导地位.
- 蓝水占总水足迹的最大组成部分 (71.99%).
- 对核桃 (4,079.75 m3/) 和豆 (4,646 m3/) 观察到高水位.
- 蓝水稀缺指数 (BWS) 始终超过0.8,在2016年达到0.93的峰值,表明严重的水资源稀缺.
- 农业水压力指数 (AWSI) 在2013年达到0.87的峰值.
结论:
- 持续高水压指数 (BWS和AWSI) 强调了克尔曼沙省严重的农业水资源短缺.
- 由于降雨量低和过度提取,水资源剥夺达到关键水平 (2014年为8,380万).
- 紧急实施可持续的水资源管理至关重要,包括高效的灌,优化施肥和水明智的作物选择.
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