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Modeling reallocation of reservoir storage capacity between flood control and conservation purposes.

机译：在防洪和保护目的之间对水库存储容量的重新分配进行建模。

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摘要

Interest in converting portions of the large volumes of flood control storage capacity in federal multiple-purpose reservoirs in Texas and elsewhere to water supply and other conservation purposes has been growing for some time. Evaluation of storage reallocations involving tradeoffs between flood control and conservation purposes in multiple-purpose, multiple-reservoir systems represents a new area for applying the Water Rights Analysis Package (WRAP) and Texas Water Availability Modeling (WAM) System. A system of 12 multiple-purpose reservoirs operated by the U.S. Army Corps of Engineers (USACE) and Brazos River Authority (BRA) was adopted as a case study in this research to develop and test expanded WRAP/WAM-based methods for analyzing modifications in reservoir storage allocations and related system operations. The research consisted of the following tasks: (1) The Brazos River Basin WRAP input dataset from the Texas WAM System (Brazos WAM) has a 1940-1997 hydrologic period-of-analysis. The research included developing and applying methods to extend the period-of-analysis to 1900-2007 providing a better representation of river basin hydrology. The methodology developed could potentially be used to update the other river basin datasets in the statewide WAM System. (2) The Brazos WAM has 3,830 control points, 670 reservoirs, and hundreds of water rights. The research included developing and applying methods to create a much easier-to-apply condensed dataset focused on the USACE/BRA reservoir system and associated water rights that have only 48 control points and 14 reservoirs. (3) The WRAP/WAM System was developed based on a monthly computational time step. The research included applying developmental methodologies for converting a monthly model to a daily time step that includes disaggregation of monthly naturalized flows to daily flows, calibration of flow routing coefficients, and incorporation of forecasting in the simulation. (4) The WRAP/WAM System is designed for assessing water supply reliabilities and stream flow and storage frequencies from the perspective of conservative purposes. The research added flood risk indices to the WRAP modeling system in order to address tradeoffs between flood control and conservation purposes. (5) The WRAP/WAM-based simulation study performed with the modified WAM dataset developed in this research demonstrates the improvements in water supply capabilities and tradeoffs with flood control associated with various reservoir storage reallocation strategies and other modifications in reservoir system operations.
机译：一段时间以来，人们对将德克萨斯州和其他地方的联邦多用途水库中的大量防洪存储容量的一部分转换为供水和其他保护目的的兴趣一直在增长。在多用途，多水库系统中，涉及防洪与保护目的之间权衡取舍的水库重新分配评估代表了应用水权分析软件包（WRAP）和德克萨斯水可用性模型（WAM）系统的新领域。本研究采用美国陆军工程兵团（USACE）和布拉索斯河管理局（BRA）运营的由12个多功能水库组成的系统，以开发和测试基于WRAP / WAM的扩展方法，以分析水库中的水质变化。水库储存分配和相关系统操作。该研究包括以下任务：（1）来自德州WAM系统（Brazos WAM）的Brazos流域WRAP输入数据集具有1940-1997年的水文分析期。研究包括开发和应用方法，以将分析期延长至1900-2007年，以更好地表示流域水文学。开发的方法可以潜在地用于更新全州WAM系统中的其他流域数据集。 （2）Brazos WAM拥有3,830个控制点，670个水库和数百个水权。研究包括开发和应用方法来创建一个更易于应用的浓缩数据集，重点是USACE / BRA水库系统和相关的水权，这些水权只有48个控制点和14个水库。 （3）WRAP / WAM系统是根据每月的计算时间步长开发的。研究包括应用开发方法，将月模型转换为日时间步，包括将月自然流分解为日流，校准流径系数以及将预测合并到模拟中。 （4）WRAP / WAM系统旨在从保守的角度评估供水的可靠性以及水流和储水频率。该研究将洪水风险指数添加到WRAP建模系统中，以解决防洪和保护目的之间的折衷。 （5）使用本研究中开发的改进的WAM数据集进行的基于WRAP / WAM的模拟研究表明，与各种水库存储重新分配策略相关联的洪水控制以及水库系统运行的其他修改，供水能力和权衡取舍有所改善。

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  • 作者

    Kim, Tae Jin.;

  • 作者单位

    Texas A&M University.;

  • 授予单位 Texas A&M University.;
  • 学科 Engineering Civil.
  • 学位 Ph.D.
  • 年度 2009
  • 页码 584 p.
  • 总页数 584
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

  • 入库时间 2022-08-17 11:38:19

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