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Volume 9

Journal of Earth Science & Climatic Change

Climate Congress 2018

August 06-07, 2018

Page 13

conference

series

.com

August 06-07, 2018 Osaka, Japan

4

th

World Congress on

Climate Change and Global Warming

Sustainable approach of rainwater management and application for mitigating climate change impact on

tea agriculture in northeast India

F

uture projection of precipitation and temperature in northeast India under climate change scenario has been carried out using

different combinations of GCMs and RCP scenarios. Study has revealed that increase in total annual precipitation varies from

3% to 27% with increase in number of dry days. This indicates high intensity rainfall of short duration in monsoon and longer

dry spell. Visible impact of such changed scenario has been experienced in various sectors of economy including agriculture.

Tea, one of the major commercial crops of northeast India, is suffering because of this changed scenario. To mitigate adverse

impact of climate change, society can take up various steps for reducing carbon emission, increasing carbon sink and adapting

themselves to the changing scenario. The increasing temporal variation in water availability can be reduced by increasing surface

storage by different means. Rainwater harvesting, if done in large scale and in an innovative way considering sustainability

aspect can contribute significantly towards mitigating climate change impact on the society in general and water. Efficient

management of rainwater will also help reducing flood and drought. To achieve multiple benefits of rainwater harvesting, a

new and flexible method, named as Sustainable Approach of Rainwater Management and Application (SARMA) has been

developed and presented in this paper. This proposed method, in addition to conventional benefit of meeting water-need for

day to day application, provides benefits of irrigation, flood moderation, improved drainage condition, groundwater recharge,

pisciculture, carbon sequestration, reducing power consumption and hence carbon emission and micro-climate moderation.

Field application of this method in Dolowjan Tea Estates of India has generated visible evidence that efficient management and

application of rainwater using SARMA method not only can provide other conventional benefits but also can bring favorable

micro-climatic changes and thus can be considered as a solution to climate change.

Biography

Arup Kumar Sarma is presently holding the prestigious B P Chaliha Chair Professor position given by Ministry of Water Resources, Government of India. He has

also served as a Visiting Professor in the Asian Institute of Technology, Bangkok, Thailand. He has developed NPTEL video course on Hydraulic Engineering which

is getting wide appreciation from different parts of the globe and has entered the top 5 most visited course. He has more than 100 technical papers published in

national and international journals, books and in conference proceedings. Apart from working for management of many Indian Rivers, he has also provided his

technical expertise for management of Mekong River. He is a Reviewer of several reputed international journals and has also served as Member and Adviser of

various prestigious committees.

aks@iitg.ernet.in

Arup Kumar Sarma

Indian Institute of Technology Guwahati, India

Arup Kumar Sarma, J Earth Sci Clim Change 2018, Volume 9

DOI: 10.4172/2157-7617-C3-044