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Title: Understanding Global Water Cycle Dynamics

Title: Understanding Global Water Cycle Dynamics Team: Prof. Paul R. Houser /Scientist ( phouser@igmu.edu ) CREW Director and GMU Professor Ms. Deborah R. Belvedere / Notes ( debbie@iges.org ) Assistant Director, Center for Research on Environment and Water (CREW)

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Title: Understanding Global Water Cycle Dynamics

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  1. Title: Understanding Global Water Cycle Dynamics • Team: Prof.Paul R. Houser/Scientist (phouser@igmu.edu) • CREW Director and GMU Professor • Ms.Deborah R. Belvedere/Notes (debbie@iges.org) • Assistant Director, Center for Research on Environment and Water (CREW) • Ms. Xia Feng/Tool Specialist (xfeng@gmu.edu) • Graduate Research Assistant, George Mason University • Dr.Ronald Houser/Evaluation Specialist (ron.houser@nwea.org) • Northwest Evaluation Association, Director, Advanced Research and Development Group • Dr. Carla McAuliffe/Curriculum Developer (Carla_McAuliffe@terc.edu) • Senior Curriculum Developer, Researcher, & Evaluator, TERC • Dr. William A. Prothero/Education (prothero@geol.ucsb.edu) • University of California, Santa Barbara (Emeritus) • Education/Science Question: Is the Water Cycle Changing? • Gain a deeper understanding of the hydrologic cycle • Use water balance/conservation concepts to understand data • Precipitation – Evaporation – Runoff = Storage Change • Practice hypothesis-driven scientific method • Investigating causal impacts on water cycle change • Volcanoes, El Nino, Climate Change, teleconnection patterns • Use observational data to understand models (advanced)

  2. Vision: • 1) Brief introduction to water cycle and balance concepts • 2) Description of data & tools (GrADS, Reanalysis-2, and GPCP) • 3) 3-Tier data exploration tutorial • web-Based “canned” plots • web-based GrADS GUI • command-line local GrADS tools • 4) Advanced questions and additional studies • 5) Evaluation • Is the exercise being used by teachers, and are there ways to improve it? • Did the student learn anything (short unit test)? • Provide learning feedback to teachers & students? • Outline: • Hypothesis generation & testing • Water balance trend tutorial • Analysis of global trend attribution • Investigation of local trends • Hypothesis of future water cycle changes

  3. Annual Water Balance Means and Anomalies

  4. Annual time and space water balance analysis

  5. Annual time and space water balance analysis

  6. Local/Regional Water Balance Analysis

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