STUDY ON FLUXES OF CH<sub>4</sub> EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

YAN Min-hua; MA Xue-hui; WANG De-xuan

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STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

YAN Min-hua, MA Xue-hui, WANG De-xuan

文章导航 > Chinese Geographical Science > 2000 > 10(3): 282-287

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. 中国地理科学, 2000, 10(3): 282-287.

引用本文:

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. 中国地理科学, 2000, 10(3): 282-287.

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. Chinese Geographical Science, 2000, 10(3): 282-287.

Citation:

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. Chinese Geographical Science, 2000, 10(3): 282-287.

STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

基金项目: Under the auspices of Jilin Commttee of Science and Technology (grant 963416-1), and Changchun Jingyuetan Remote Sensing Test Site of the Chinese Academy of Sciences(grant 9504).

详细信息

作者简介:
YAN Min-hua(1964- ),female,a native of Liaoning Province, maeter,associate professor. Her research interests include climate change, greenhouse gases and wetland climate.

中图分类号: S162.4

STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

摘要: Little has been done in measurement and research of the flux of CH₄ emission from paddy fields in Changchun area, Jilin Province, China before 1994. So the purpose of the study is to offer available regional data of CH₄ emission flux and to discuss the factors which affect CH₄ emission from paddy fields. Experimental paddy fields are chosen using TM pictures respectively in Xinlicheng (43°49′N, 125°20′E) of the Yitong River's and in Wanchang (43°44′10″N, 125°53′11″E) of the Yinma River's alluvial plain. The fluxes of CH₄ emission from paddy fields are measured by the method of static chamber in Changchun area in 3 consecutive years. The research results show that the peak of CH₄ emission from paddy fields occurs during the booting stage. The mean fluxes of CH₄ emission are 7.056 mg/(m²·h) and 0.489 mg/(m²·h) in the paddy fields of flood and discontinuous irrigation respectively. The contrastive study holds that climate condition, the way of water management and fertilizer variation have significant influence on fluxes of CH₄ emission from paddy fields. The difference of climatic conditions causes the interannual change of the flux of CH₄ emission from paddy fields. In general, the flux of CH₄ emission from paddy fields of flood irrigation is greater than that from paddy fields of discontinuous irrigation. To change the way of water management perhaps is an available way to reduce CH₄ emission flux from paddy fields.
- flux of CH₄ emission /
- paddy field /
- Changchun area /
- influence factors
Abstract: Little has been done in measurement and research of the flux of CH₄ emission from paddy fields in Changchun area, Jilin Province, China before 1994. So the purpose of the study is to offer available regional data of CH₄ emission flux and to discuss the factors which affect CH₄ emission from paddy fields. Experimental paddy fields are chosen using TM pictures respectively in Xinlicheng (43°49′N, 125°20′E) of the Yitong River's and in Wanchang (43°44′10″N, 125°53′11″E) of the Yinma River's alluvial plain. The fluxes of CH₄ emission from paddy fields are measured by the method of static chamber in Changchun area in 3 consecutive years. The research results show that the peak of CH₄ emission from paddy fields occurs during the booting stage. The mean fluxes of CH₄ emission are 7.056 mg/(m²·h) and 0.489 mg/(m²·h) in the paddy fields of flood and discontinuous irrigation respectively. The contrastive study holds that climate condition, the way of water management and fertilizer variation have significant influence on fluxes of CH₄ emission from paddy fields. The difference of climatic conditions causes the interannual change of the flux of CH₄ emission from paddy fields. In general, the flux of CH₄ emission from paddy fields of flood irrigation is greater than that from paddy fields of discontinuous irrigation. To change the way of water management perhaps is an available way to reduce CH₄ emission flux from paddy fields.
- flux of CH₄ emission /
- paddy field /
- Changchun area /
- influence factors

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STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

基金项目: Under the auspices of Jilin Commttee of Science and Technology (grant 963416-1), and Changchun Jingyuetan Remote Sensing Test Site of the Chinese Academy of Sciences(grant 9504).

作者简介:
YAN Min-hua(1964- ),female,a native of Liaoning Province, maeter,associate professor. Her research interests include climate change, greenhouse gases and wetland climate.

收稿日期: 1999-12-21
刊出日期: 2000-09-20

中图分类号: S162.4

关键词:

flux of CH₄ emission /

paddy field /

Changchun area /

influence factors

摘要: Little has been done in measurement and research of the flux of CH₄ emission from paddy fields in Changchun area, Jilin Province, China before 1994. So the purpose of the study is to offer available regional data of CH₄ emission flux and to discuss the factors which affect CH₄ emission from paddy fields. Experimental paddy fields are chosen using TM pictures respectively in Xinlicheng (43°49′N, 125°20′E) of the Yitong River's and in Wanchang (43°44′10″N, 125°53′11″E) of the Yinma River's alluvial plain. The fluxes of CH₄ emission from paddy fields are measured by the method of static chamber in Changchun area in 3 consecutive years. The research results show that the peak of CH₄ emission from paddy fields occurs during the booting stage. The mean fluxes of CH₄ emission are 7.056 mg/(m²·h) and 0.489 mg/(m²·h) in the paddy fields of flood and discontinuous irrigation respectively. The contrastive study holds that climate condition, the way of water management and fertilizer variation have significant influence on fluxes of CH₄ emission from paddy fields. The difference of climatic conditions causes the interannual change of the flux of CH₄ emission from paddy fields. In general, the flux of CH₄ emission from paddy fields of flood irrigation is greater than that from paddy fields of discontinuous irrigation. To change the way of water management perhaps is an available way to reduce CH₄ emission flux from paddy fields.

English Abstract

STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

Received Date: 1999-12-21
Publish Date: 2000-09-20

Keywords:

Abstract: Little has been done in measurement and research of the flux of CH₄ emission from paddy fields in Changchun area, Jilin Province, China before 1994. So the purpose of the study is to offer available regional data of CH₄ emission flux and to discuss the factors which affect CH₄ emission from paddy fields. Experimental paddy fields are chosen using TM pictures respectively in Xinlicheng (43°49′N, 125°20′E) of the Yitong River's and in Wanchang (43°44′10″N, 125°53′11″E) of the Yinma River's alluvial plain. The fluxes of CH₄ emission from paddy fields are measured by the method of static chamber in Changchun area in 3 consecutive years. The research results show that the peak of CH₄ emission from paddy fields occurs during the booting stage. The mean fluxes of CH₄ emission are 7.056 mg/(m²·h) and 0.489 mg/(m²·h) in the paddy fields of flood and discontinuous irrigation respectively. The contrastive study holds that climate condition, the way of water management and fertilizer variation have significant influence on fluxes of CH₄ emission from paddy fields. The difference of climatic conditions causes the interannual change of the flux of CH₄ emission from paddy fields. In general, the flux of CH₄ emission from paddy fields of flood irrigation is greater than that from paddy fields of discontinuous irrigation. To change the way of water management perhaps is an available way to reduce CH₄ emission flux from paddy fields.

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. 中国地理科学, 2000, 10(3): 282-287.

引用本文:

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. 中国地理科学, 2000, 10(3): 282-287.

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. Chinese Geographical Science, 2000, 10(3): 282-287.

Citation:

YAN Min-hua, MA Xue-hui, WANG De-xuan. STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA[J]. Chinese Geographical Science, 2000, 10(3): 282-287.

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STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

作者简介: YAN Min-hua(1964- ),female,a native of Liaoning Province, maeter,associate professor. Her research interests include climate change, greenhouse gases and wetland climate.

STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

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STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

作者简介: YAN Min-hua(1964- ),female,a native of Liaoning Province, maeter,associate professor. Her research interests include climate change, greenhouse gases and wetland climate.

English Abstract

STUDY ON FLUXES OF CH4 EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

Changchun Institute of Geography, the Chinese Academy of Sciences, Changchun 130021, P. R. China

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目录

STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

作者简介:
YAN Min-hua(1964- ),female,a native of Liaoning Province, maeter,associate professor. Her research interests include climate change, greenhouse gases and wetland climate.

STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA

作者简介:
YAN Min-hua(1964- ),female,a native of Liaoning Province, maeter,associate professor. Her research interests include climate change, greenhouse gases and wetland climate.

STUDY ON FLUXES OF CH₄ EMISSION FROM PADDY FIELDS IN CHANGCHUN AREA