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Spatial Analysis

Geo-Spatial Data Modeling to Estimate Flood Affected Population in a Near Real-Time Scenario: Pakistan Floods 2011

Problem Description / Relevance to Water Security: 

During humanitarian emergencies, Well-timed information on losses, affected areas and affected population is essential to plan any effective response and optimum resource allocation that are in hand. However, this is, conventionally, only available following an on-ground assessment.

ICT Application / Outcome: 

A spatial model was developed for the assessment of the flood-affected population in a near real-time scenario using spatial analysis. A flood extent vector, extracted from MODIS daily images, was superimposed on a LandScan population grid to estimate the population count living in the flooded area, aggregated by their respective administrative level.

Using ICTs to Link Spatial Planning and Management Approaches for Coastal, River Basin, and Marine Areas

Problem Description / Relevance to Water Security: 

Coastal zone pressures cannot be effectively assessed within a geographic coverage limited to coastal zones: both upstream activities at river basin level and marine activities impact environmental conditions in the coastal area. The latter are also naturally shaped by the material and energy transfers between coastal and surrounding ecosystems (e.g. sediment transport, water quality, storm surges, river discharge, floods).

ICT Application / Outcome: 

Integrated approaches to managing resources, pressures and impacts, have received considerable attention at river basin (Integrated River Basin Management / IRBM) and coastal area (Integrated Coastal Zone Management / ICZM) levels, within the overall framework of Integrated Water Resources Management (IWRM).