本powerpoint演示文稿首先简要概述了干旱问题。一个25年的假设 社区介绍包括以下内容: 适度增长； 主要是单户住宅； 没有新的供水项目；和 相当标准、不保守的需求 模式。该模型用于测试替代方案: 适用于假设系统的模型； 25年，月模； 需求分类 -新的/现有的；按最终用途 -基线、配给和保护； 供水，包括干旱； 水库运行；和 可靠性标准（规则）。干旱识别包括: 可用存储量=12 kaf=1年DEM； 依赖春季融雪；和 未能填充到至少67%的容量。陈述结论如下: 规划可以减少干旱破坏的风险； 了解严重性和程度很重要 设计干旱； 自然保护为人类提供了数年的节约 在系统被识别之前； 实施限制可能需要1到2年的时间 需求发生重大变化；和 最好的办法是尽早开始保护工作， 并提供干旱储备。包括表格，数字。

This powerpoint presentation begins by providing a brief overview of drought issues. A 25 year simulation of a hypothetical community is presented and includes the following: moderate growth; mainly single family (SF) residential; no new water supply projects available; and, fairly standard, non-conserving demand patterns. The model was used to test alternatives: model applied to a hypothetical system; 25 year, monthly model; demands disaggregated - new/existing; by end uses - baseline, rationing and conservation; water supply including drought; reservoir operations; and, reliability criteria (rules). Drought recognition included: available storage = 12 kaf = 1 yr dems; reliance on spring snowmelt; and, failure to fill to at least 67% of capacity. Presentation conclusions indicate the following: planning can reduce risks of drought damage; important to understand the severity and extent of the design drought; conservation provides years of savings to system before it can be recognized; it can take 1 to 2 years for restrictions to make significant changes to demands; and, best course is to start conservation efforts early, and provide a drought reserve. Includes table, figures.