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The Autonomous University of Chiapas are looking for high resolution images for the creation of DEM for flood winds (?), in areas of Chiapas and Tabasco (Mexico)
Under which conditions could TerrSAR-X data be made available for training purposes/for precise DEM generation?
M. Bock mentioned the Global Copernicus DEM (however not necessarily adapted to the purpose of hydrological modelling for flood warning systems...)

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UN ESCAP Toolkit on  Flood Forecast and Early warning

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UN ESCAP Toolkit on  Flood Forecast and Early warning

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https://www.unescap.org/sites/default/files/Flood_toolkit_HighRes.pdf

This toolkit is a collection of guidelines with examples for Asia like the implementation of flood early warning systems with satellite-based
information using Integrated Flood Analysis System - IFAS. However this is applicable elsewhere in terms of tools and CB, like the UNESCO project on Strategically
Strengthening the Flood Warning and Management Capacity of Pakistan in 2012 – 2014

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- WOULD IT BE USEFUL TO DEVELOP A FLOOD DASHBOARD (one single "Flood disaster dashbord" proposed by ISRO today)  TO SHARE CB INFO?
-HOW CAN WE COLLECT&ASSESS USER NEEDS ABOUT FLOOD EARLY WARNING?
-WHICH GEOGRAPHICAL LEVEL? SHALL WE FOCUS AT REGIONAL,NATIONAL, RIVER BASIN LEVEL?

- some gaps in flood forecasting are listed in UN ESCAP Toolkit on  Flood Forecast and Early warning (2015)

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- Which data shall be prioritized ?

- who are the prioritary TARGET of early warning CB: civil protections? decision makers?

- SUGGESTION ABOUT MAJOR EVENTS OR BETTER RECURRING CB PROGRAMMES (SELPER? EARLSEL? UNDP? UNESCO actions supporting flooding warning?)
- JOINTLY WITH DEVELOPMENT BANKS?

- identify prioritary regions (flood prone areas in developing countries) that would benefit from CB on early flood warning (as a complement to CB on emergency mapping): Mekong? India? south-east Asia?

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- identify niches for WG CapD
- identify steps where EO data (imagery, altimetry..) can help (eg validation of forecast against observation, geomorphology analysis, integration of GIS supporting decision support...)
- identify possible partnerships eg WMO, hydrological experts, civil protections, UN SPIDER or other UN bodies

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i 30m Resolution could be used as Starting point but it needs to be edited (remove vegetation and buidlings)to achieve a DTM

AG comment: Agree. The DEMs need to be hydro conditioned first in order to be useful in forecasting. The resolution of 30 mt is not appropriate in many areas.

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Civil protection services to be first to receive capacity building

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Link to Technical Advisory Missions (needs and decision makers)

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Regions to be identified for high risk of flooding

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Regions to be identified for high risk of flooding

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Integration of early warning with existing national/local systems

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Integration of early warning with existing national/local systems

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How much an early warning system cost? and which precision or impact will it have?

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Higher strategy between key players on the global scale to provide quality information

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Higher strategy between key players on the global scale to provide quality information

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Best practices inventory
Tools inventory

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Common environment to contribute in different ways. This could be one initial project for cooperation at CEOS and GEO level.

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the decision makers would need to know a cost versus benefit analysis of an early warning system (quantitative analysis). this is an important info if we wish to involve development banks

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do we have a MENU that we could offer to decision makers of the best tools and practices in terms of early warning systems for floods

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one of the most challenging tasks in flood forecast is the implementation of realistic hydrological models where all data observations etc can be integrated for reliable forecast and early warning

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NOAA correctly pointed out that rather trying to select users, regions, training events/opportunities, we should better decide on a strategy for global collabporation at CEOs and GEO level, eg. by means of joining hydrological instututions already working on early warning and forecast  (such as River Basin Offices or RIMES, ESCAP...) .  Another task, mentioned by UNOOSA, would be the compilation of a menu of best tools/practices existing so far in the domain (early warning system and related CB) that we could provide to deciision makers