Reductions in India's crop yield due to ozone

被引：127

作者：

Ghude, Sachin D. ^{[1
]}

Jena, Chinmay ^{[1
]}

Chate, D. M. ^{[1
]}

Beig, G. ^{[1
]}

Pfister, G. G. ^{[2
]}

Kumar, Rajesh ^{[2
]}

Ramanathan, V. ^{[3
]}

机构：

[1] Indian Inst Trop Meteorol, Pune, Maharashtra, India

[2] Natl Ctr Atmospher Res, Div Atmospher Chem, Boulder, CO 80307 USA

[3] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2014年 / 41卷 / 15期

基金：

美国国家科学基金会;

关键词：

surface ozone; crop loss; WRF-Chem; SURFACE OZONE; FUTURE CONCENTRATIONS; AMBIENT OZONE; EMISSIONS; IMPACT; MODEL; SENSITIVITY; INVENTORY; AEROSOLS; GROWTH;

D O I：

10.1002/2014GL060930

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

This bottom-up modeling study, supported by emission inventories and crop production, simulates ozone on local to regional scales. It quantifies, for the first time, potential impact of ozone on district-wise cotton, soybeans, rice, and wheat crops in India for the first decade of the 21st century. Wheat is the most impacted crop with losses of 3.50.8 million tons (Mt), followed by rice at 2.10.8 Mt, with the losses concentrated in central and north India. On the national scale, this loss is about 9.2% of the cereals required every year (61.2 Mt) under the provision of the recently implemented National Food Security Bill (in 2013) by the Government of India. The nationally aggregated yield loss is sufficient to feed about 94 million people living below poverty line in India.

引用

页码：5685 / 5691

页数：7

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