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Building Climate Resilience into Agricultural Water Management

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Presented by IWMI's Alok Sikka at the 2016 Stockholm World Water Week, in Stockholm, Sweden, on August 31, 2016.

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Building Climate Resilience into Agricultural Water Management

  1. 1. Building Climate Resilience into Agricultural Water Management Alok K Sikka IWMI Representative-India International Water Management Institute New Delhi 1
  2. 2. Asia’s Vulnerability to Climate Change • Asia-Heart of the hunger; about 525 million hungry people with the majority being in farming households • IPCC 5th Assessment Report observes climate change is already happening in Asia and impacts are already being felt • Average annual temperatures could rise by more than 2°C and more rainfall likely at higher latitudes by mid 21st century • More likelihood of extreme rainfall events related to monsoons • Increased water related risks -drought, flood, hails, cyclones and related water and food shortages. 2 ipcc-wg2.gov/AR5/images/uploads/WGIIAR5-Chap24_FGDall.pdf
  3. 3. Climate Change and Asian Agriculture • Asian agriculture is extremely vulnerable to climate change due to low adaptive capacity, increasing demand, degrading land and water resources • Impacts on food security will vary by region, with many regions to experience a decline in productivity • The net cereal production in South Asian countries is projected to decline at least between 4 to 10% by the end of this century • Agricultural water demand in arid and semi- arid regions of Asia estimated to increase by at least 10% for temperature increase of 1°C • Building climate resilience through water and land management is a major challenge 3 Source: Rama Rao et al.,2016
  4. 4. Building Resilience - Key to Sustainability Capacity of a system to adapt & grow in the face of unforeseen changes and bounce back Resilience Sustainability Integrating NRM in climate resilient farming system Productivity 4 NIRCA (National Institute on Climate Resilient Agriculture, ICAR) CCAFS is promoting climate smart villages
  5. 5. Smart Interventions • Building resilience by enhancing storage (in situ, surface and groundwater) • Improving irrigation efficiency and water productivity • Laser land leveling, zero- tillage & conservation agriculture • Conjunctive use of good and poor quality GW / wastewater • Crop diversification • Water reform – policy, governance and institutions DSR BBF CA 5
  6. 6. • UTFI - an innovative approach to transfer flood water to groundwater for irrigation: opportunity for managing extreme events • Drought monitoring & management • South Asia Drought Monitoring System (SADMS) uses multisource remote sensing observations and Integrated Drought Severity Index (IDSI) for – Historical drought risk mapping and assessment, drought frequency, and duration; – Useful in drought mitigation and decision-making process • Water budget based stakeholder groundwater management Smart Interventions – contd. 6 utfi.iwmi.org dms.iwmi.org
  7. 7. The Way Ahead • Vulnerability assessment and risk mapping at micro level • Demonstrate and promote locally appropriate climate resilient water and land management practices in a farming system perspective including institutional and policy options • Early warning of droughts, floods and other climatic risks • Develop Village/ Local Area climate risk and adaptation plans and its integration into development programs • Incentivize adoption of climate resilient interventions • Internalization of climate scenarios in design and operation of water infrastructures • Strengthening of capacity for adaptation and mitigation 7
  8. 8. Thank you a.sikka@cgiar.org See: http://iwmi.org 8

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