1. Global Climate Observing System Update Global Terrestrial Network - Hydrology David Goodrich Director, GCOS Secretariat World Meteorological Organization

2. GTN-H Configuration September 2007 * = Essential Climate Variable

3. Terrestrial:Products andData Records Source: GCOS-107 ”Satellite Supplement”

4. Future Climate Research and Observations: Learning from the IPCC Fourth Assessment Report uWorkshop Goal: Consider implications of IPCC AR4 on climate research and observing system strategies uPrimary Focus: Lessons from IPCC Working Groups I and II uOrganizers: GCOS, WCRP, and IGBP in cooperation with IPCC uWhen and Where: 4-6 October, Sydney, in conjunction with “Greenhouse 2007” Science and Technology Conference uSponsors: CSIRO, Australia BoM, NASA, NOAA

5. Reconsidering the Observing System: The Path to a GCOS “Comprehensive Report” Lessons from IPCC (2007) GCOS Performance Monitoring Data GCOS “Comprehensive Report” (2009) “National Activities” Information (2008) Steering Committee, Science Panel, Partner OS Inputs Reporting Guidelines(2007)