Session summary
This GeoField 2026 regional panel examines opportunities, challenges, and future directions for geospatial impact evaluation in South Asia. The discussion focuses on how Earth observation, geospatial data, and impact evaluation can support decision-making in a region shaped by large-scale public programs, climate risk, rapid urbanization, agricultural transformation, and evolving data systems.
Moderator: Vibhuti Mendiratta
Panelists
Sudha Narayanan, Shreya Bhattacharya, Geetika Nagpal, and Mukesh Meshram discuss where geospatial impact evaluation can add value across South Asia. Panelists identify opportunities in agricultural insurance, climate finance, urban infrastructure, transportation, housing, pollution, crop monitoring, disaster response, credit access, and public-service delivery.
The panel emphasizes that geospatial data can support both evaluation and project design. Earth observation can help identify flood- and drought-prone areas, monitor crop losses, track urban expansion, assess infrastructure impacts, target climate-related financial support, and provide faster evidence after shocks. Panelists also discuss how geospatial tools can help governments move from static reporting toward more timely and spatially precise decision-making.
A recurring theme is credibility. Panelists stress that satellite-derived indicators should be validated with administrative records, surveys, crop cuts, qualitative evidence, or other locally grounded data. This is especially important when evidence is used for anticipatory action, compensation, credit disbursement, or policy decisions where false alarms and measurement error can carry real costs.
The discussion also highlights institutional and data-governance challenges. Many useful datasets are fragmented across ministries, agencies, consultants, dashboards, and state or local governments. Scaling geospatial impact evaluation will require better data harmonization, clearer documentation, practical tools that governments can maintain, and institutional incentives to make data usable for analysis, accountability, and learning.
Looking ahead, panelists point to promising frontiers such as mobile phone data, building footprints, project monitoring systems, pollution and stubble-burning analysis, market mapping, and improved integration of Earth observation with administrative and field data. Together, the panel argues that South Asia has substantial potential for geospatial impact evaluation, but realizing that potential will require credible validation, local ownership, data harmonization, practical use cases, and tools designed for the realities of government decision-making.