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Changes in climate also affect agricultural water use, with evapotranspiration generally <br />increasing as temperature increases, though this might not be the case in a future where <br />atmospheric carbon dioxide concentrations are higher. Projected temperature and precipitation <br />can be used directly in StateCil to assemble agricultural water use scenarios for use in StateMod <br />under the assumption that plant physiology is not substantially changed. <br />A second study of climate change impacts, the Front Range Vulnerability Study, will be <br />proceeding contemporarily with the CRWAS. The FRVS is a cooperative effort among six <br />front-range water providers and the CWCB. The CWCB directed that the CRWAS coordinate <br />its efforts with the FRVS to help assure that the two studies are as cost effective as possible, to <br />maximize consistency and comparability of results (within constraints arising from the respective <br />objectives of the two studies} and to maximize the technical value of the two studies to their <br />respective stakeholders. Preliminary discussions between the CRWAS technical team and FRVS <br />technical leaders indicate that there are a number of areas where coordination of the technical <br />approaches of the two studies is feasible and likely desirable. <br />As a first step in coordination between the CRWAS and the FRVS, an outline of a suggested <br />technical approach was prepared to serve as the basis for review and revision in Tasks 6 and 7. <br />This approach was summarized in a Powerpoint presentation and reviewed with the State's <br />Climate Change Technical Advisory Group and members of the FRVS participants and technical <br />team. Subject to the detailed review of the suggested approach that will be done in Tasks 6 and <br />7, the group agreed that the approach suggested by Boyle and the approach currently envisioned <br />by the FRVS are consistent in important areas. This suggested approach will be refined, <br />described in much more detail, reviewed. by the State, and further revised as part of Sub-tasks <br />7.1,7.2and7.5. <br />One part of the methodology that has not been completely defined by either the FRVS or Boyle <br />is the approach to be used to select or weight projections of future climate. This is one area <br />where close coordination among the FRVS, the CRWAS, the CCTAG and the CWCB will be <br />required. <br />Approach: <br />7.1 Coordination with Front Ran e Vulnerabilit Stud -Meet with the project manager, <br />technical team and policy leadership of the FRVS study along with CWCB staff to assess <br />the feasibility and desirability of technical coordination. The cast estimate assumes two <br />initial meetings with FRVS. Identify and document specific areas far coordination. Meet <br />once with the CWCB staff at the CWCB office in Denver and discuss these <br />recommendations. Finalize coordination activities in cooperation with the FRVS project <br />manager. Conduct ongoing meetings, telephone conferences and a-mail exchanges <br />among the FRVS project manager {two meetings} and technical team in order to <br />implement coordination activities (a total of 78 hours of technical coordination activities}. <br />Conduct two meetings with FRVS stakeholders and technical teams to present the <br />approach, status and results of coordinated activities. Document the primary conclusions <br />of the meetings. <br />Calprado River Water Availability Study Scope ] 9 8/28/2008 <br />CRWAS Qhase] Contract Scope EX A Final <br />