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Evaluating the effectiveness of water infrastructures for increasing groundwater recharge and agricultural production – A case study of Gujarat, India

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  • Chinnasamy, Pennan
  • Misra, Gourav
  • Shah, Tushaar
  • Maheshwari, Basant
  • Prathapar, Sanmugam

Abstract

Groundwater for agricultural purposes is of utmost importance in the Indian state of Gujarat. To augment existing agricultural water resources, the Gujarat Government invested in many large-scale and small-scale water infrastructures (WI). In order to increase water storage and groundwater recharge and to justify further investments in WI, a better understanding on the impacts of past WIs is needed. This study uses data from NASA's Gravity Recovery and Climate Experiment (GRACE), along with soil moisture data from the Global Land Data Assimilation Systems, to estimate water storage before and after the intensification in the investment in WIs. In addition, Normalised Difference Vegetation Index (NDVI) data from the Moderate Resolution Imaging Spectrometer (MODIS) sensor was used to show changes in seasonal cropped areas during the same period. The analysis of data showed that the water storage in the state was estimated to be 24 BCM in 2003–2004 and 30 BCM in 2010–2011, an increase of 29% pre and post WI intensification. The Pixel Crop Duration Index (PCDI) indicated an increase in cropped area (at district level) in 2010–2011 when compared with 2003–2004 period, by 30% on yearly basis and about 80% during non-monsoon period. Results also indicates a significant net increase in water storage (by 5890Mm3 after water used for crop intensification) and increase in agricultural crop area (by 63,862km2) in Gujarat during the period of intensification in infrastructures for water storage and groundwater recharge. Results also indicate that some districts have higher net water storage (compared to 2003), however the cropped area duration - PCDI has not increased much (e.g., Valsad and Navsari). The findings of this study can increase the understanding of the potential of WIs and provide valuable guidance for increasing cropped area in high water storage regions of Gujarat.

Suggested Citation

  • Chinnasamy, Pennan & Misra, Gourav & Shah, Tushaar & Maheshwari, Basant & Prathapar, Sanmugam, 2015. "Evaluating the effectiveness of water infrastructures for increasing groundwater recharge and agricultural production – A case study of Gujarat, India," Agricultural Water Management, Elsevier, vol. 158(C), pages 179-188.
  • Handle: RePEc:eee:agiwat:v:158:y:2015:i:c:p:179-188
    DOI: 10.1016/j.agwat.2015.05.009
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    References listed on IDEAS

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    1. Shah, Tushaar & Verma, Shilp, 2008. "Real-time co-management of electricity and groundwater: an assessment of Gujarat’s pioneering Jyotirgram Scheme," Conference Papers h041811, International Water Management Institute.
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    Cited by:

    1. Chinnasamy, Pennan & Maheshwari, Basant & Dillon, Peter & Purohit, Ramesh & Dashora, Yogita & Soni, Prahlad & Dashora, Ragini, 2018. "Estimation of specific yield using water table fluctuations and cropped area in a hardrock aquifer system of Rajasthan, India," Agricultural Water Management, Elsevier, vol. 202(C), pages 146-155.
    2. Pennan Chinnasamy & Ambadas B. Maske & Vaishnavi Honap & Sunita Chaudhary & Govindasamy Agoramoorthy, 2021. "Sustainable development of water resources in marginalised semi‐arid regions of India: Case study of Dahod in Gujarat, India," Natural Resources Forum, Blackwell Publishing, vol. 45(2), pages 105-119, May.
    3. Jalali, Vahidreza & Asadi Kapourchal, Safoora & Homaee, Mehdi, 2017. "Evaluating performance of macroscopic water uptake models at productive growth stages of durum wheat under saline conditions," Agricultural Water Management, Elsevier, vol. 180(PA), pages 13-21.

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