Session 19 – “Water Assessment and Modelling at Different Scales”


While water is becoming an ever scarcer resource, having reliable information on the quantity and quality of water, its spatial and temporal variation and pattern of consumption is increasingly important. During the last decades, many approaches have been introduced with an aim to standardize the way of reporting water-related information. Examples of these approaches are: the System of Environmental Economic Accounting for Water (SEEAW), Water accounting procedure of the International Water Management Institute (IWMI), FAO Aquastat and Water Accounting Plus (WA+). Furthermore, satellite based data products, development of sensor and modeling tools, increasing access to the internet and computing capabilities are playing a major role in advancing water assessment to levels that were not reached before. In spite of these advancements – crucial information in order to address local water resources challenges is often still lacking, in particular in developing countries. This knowledge gap makes it difficult for decision makers to select the right strategy or measure in order to enhance the water security situation and to maximize the benefit gained from each drop of water used. Thus crucial questions regarding water assessments across scales which are at the foundation of this session are:

Which information is actually needed in order to improve decision making, for instance, in the context of water policies, the Water-Energy-Food Security Nexus, drought and climate change strategies or in sharing benefits in transboundary basins? How can global models and data products provide useful information for local decision making? How can locally obtained data feed into global models?

Keywords: Water assessment, modelling, water accounting, remote sensing, open-source data, scale issues


  • To emphasize the crucial importance of water assessment and modelling to ensure water security under the threat of climate change;
  • To highlight the new advancements in methodologies, tools and data for water assessment and modelling at different scales;
  • To provide real applications of water assessments at different spatial scales ranging from global to local levels and to discuss the options to transfer and use data across scales.

Session Plan

Moderation: Justin Sheffield

The session will be moderated by Prof. Justin Sheffield, and it includes one keynote speech followed by three oral presentations and a poster session at the end. The keynote should last 20 minutes and the oral presentations 10 minutes each leaving sufficient time for discussion. The following is the suggested time plan for the session:

9:15- 09:20
Introduction and Session opening 

Keynote Presentations

9:20 – 9:45
Marianela Fader
| International Centre for Water Resources and Global Change (UNESCO)
“Research at ICWRGC and the Sustainable Development Goals Assessment Core Group at the Sustainable Water Future Programme”

Matti Kummu | Aalto University
“How to eat less water: global modelling of future food opportunities”

Oral Presentation

9:45-10:15 (each 10 minutes)

Morid, Saeed | Tarbiat Modares University, Iran
Basin-level Evaluation of Field-Scale Water Saving Measures, using of SWAT Model and Water Accounting (WA+) Framework (133)

Schulze, Roland | University of KwaZulu-Natal, South Africa
Linking Food to Water and Energy Security – A Nexus Approach Applied to South Africa under Present and Projected

Coelho Costa, Felipe | World Wide Fund For Nature  (WWF) Germany, Germany
Integration of Local Higher Resolution Water Data Sets into Global Water Risk Assessment (345)

10:15 – 10:40
Discussion on presentations

Poster Presentations

10:40-10:50 (3 minutes highlights on the each key point of the contribution – to provide participants to visit selected posters during the following coffee break)

Bassi, Nitin | Institute for Resource Analysis and Policy (IRAP), India
Water Accounting for Risk Assessment: A Case Study from Ganga River Basin (326)

Yihun, Yenesew | Addis Ababa University institute of Technology AAiT, Ethiopia
AquaCrop Model Simulation for Water Productivity of Teff under a Given Climatic Variability (Eragrostic tef), a Case Study in the Central Rift Valley of Ethiopia (249)

Orrego, Sergio | Universidad Nacional de Colombia, Colombia
Empirical Evidence of Climate Variability on Urban Residential Water Demand in a Developing Country (276)

10:50 – 11:00
Final discussion and conclusion

Thursday, 21 September 2017

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    Room: Peking 1

    Organized by Institute for Technology and Resources Management in the Tropics and Subtropics (ITT), TH Köln

Marianela Fader

Keynote Speaker

International Centre for Water Resources and Global Change (UNESCO) | Deputy director

Matti Kummu

Keynote Speaker

Aalto University | Assistant professor

Event Timeslots (1)

column 2
Room: Peking 1

Organized by Institute for Technology and Resources Management in the Tropics and Subtropics (ITT), TH Köln