DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

YANG Bao; KANG Xing-cheng; SHI Ya-feng

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DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

YANG Bao, KANG Xing-cheng, SHI Ya-feng

文章导航 > Chinese Geographical Science > 2000 > 10(3): 200-201

YANG Bao, KANG Xing-cheng, SHI Ya-feng. DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS[J]. 中国地理科学, 2000, 10(3): 200-201.

引用本文:

YANG Bao, KANG Xing-cheng, SHI Ya-feng. DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS[J]. Chinese Geographical Science, 2000, 10(3): 200-201.

Citation:

YANG Bao, KANG Xing-cheng, SHI Ya-feng. DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS[J]. Chinese Geographical Science, 2000, 10(3): 200-201.

DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

1.
Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China;
2.
Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China

基金项目: Under the auspices of the projects of the Chinese Academy of Scierces(KZ951-A1-204-02 and KZ951-A1 402-03).

详细信息

作者简介:
YANG Bao(1971- ),male,a native of Yanggao County, Shanxi Province, Ph. D. His research interestinclude global change.

中图分类号: P532

DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

1.
Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China;
2.
Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China

摘要: Based on high-resolution tree-rind data from Dulan area of Qinghai Province, five spells have been divided:the warm period before 230's A. D., the cold period between 240's A. D. and 800's A. D., the significantly warm period between 810's A. D. and 1070's,i. e. "Medieval Warm Period”,the cold period including the"Little lce Age "1420's-1870's and the warming period since 1880's. All the eleven coldest or warmest decades and several great abrupt changes took place before the Middle Ages, indicating that climatic system operated in great instability during the period 150's-1100's A. D. . Comparison of the tree-ring data with other temperature proxy data from East China, Guliya ice core as well as the south of Qinghai-Xizang Plateau shows that such great climatic events as Eastern Han warm period between the beginning of the 1 st century and the previous fifty years of the third century, the cold period covering the span of the Wei, the Jin, and the Southern and Northern dynasties, the well-known“Medieval Warm Period”as well as the "Little lce Age”appeared in these series such as East China and Dulan area. Only the first two climatic events were recorded conspicuously in Guliya ice core while the "Medieval Warm Period and "Little lce Age”is far weaker.Also,the well-defined "Medieval Warm Period" didn't occurred in the south of Qinghai-Xizang Plateau. The warming since the 20th century is the warmest in the last 2000 years in Guliya ice core, the second in Dulan area and East China, but it scarcely seems pronounced in the eastern part of Qinghai-Xizang Plateau.
- Chronology of Qinghai Dulan area /
- the last two millennia /
- Last China /
- Guliya ice core
Abstract: Based on high-resolution tree-rind data from Dulan area of Qinghai Province, five spells have been divided:the warm period before 230's A. D., the cold period between 240's A. D. and 800's A. D., the significantly warm period between 810's A. D. and 1070's,i. e. "Medieval Warm Period”,the cold period including the"Little lce Age "1420's-1870's and the warming period since 1880's. All the eleven coldest or warmest decades and several great abrupt changes took place before the Middle Ages, indicating that climatic system operated in great instability during the period 150's-1100's A. D. . Comparison of the tree-ring data with other temperature proxy data from East China, Guliya ice core as well as the south of Qinghai-Xizang Plateau shows that such great climatic events as Eastern Han warm period between the beginning of the 1 st century and the previous fifty years of the third century, the cold period covering the span of the Wei, the Jin, and the Southern and Northern dynasties, the well-known“Medieval Warm Period”as well as the "Little lce Age”appeared in these series such as East China and Dulan area. Only the first two climatic events were recorded conspicuously in Guliya ice core while the "Medieval Warm Period and "Little lce Age”is far weaker.Also,the well-defined "Medieval Warm Period" didn't occurred in the south of Qinghai-Xizang Plateau. The warming since the 20th century is the warmest in the last 2000 years in Guliya ice core, the second in Dulan area and East China, but it scarcely seems pronounced in the eastern part of Qinghai-Xizang Plateau.
- Chronology of Qinghai Dulan area /
- the last two millennia /
- Last China /
- Guliya ice core

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DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

1. Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China;

2. Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China

基金项目: Under the auspices of the projects of the Chinese Academy of Scierces(KZ951-A1-204-02 and KZ951-A1 402-03).

作者简介:
YANG Bao(1971- ),male,a native of Yanggao County, Shanxi Province, Ph. D. His research interestinclude global change.

收稿日期: 1999-09-13
刊出日期: 2000-09-20

中图分类号: P532

关键词:

Chronology of Qinghai Dulan area /

the last two millennia /

Last China /

Guliya ice core

摘要: Based on high-resolution tree-rind data from Dulan area of Qinghai Province, five spells have been divided:the warm period before 230's A. D., the cold period between 240's A. D. and 800's A. D., the significantly warm period between 810's A. D. and 1070's,i. e. "Medieval Warm Period”,the cold period including the"Little lce Age "1420's-1870's and the warming period since 1880's. All the eleven coldest or warmest decades and several great abrupt changes took place before the Middle Ages, indicating that climatic system operated in great instability during the period 150's-1100's A. D. . Comparison of the tree-ring data with other temperature proxy data from East China, Guliya ice core as well as the south of Qinghai-Xizang Plateau shows that such great climatic events as Eastern Han warm period between the beginning of the 1 st century and the previous fifty years of the third century, the cold period covering the span of the Wei, the Jin, and the Southern and Northern dynasties, the well-known“Medieval Warm Period”as well as the "Little lce Age”appeared in these series such as East China and Dulan area. Only the first two climatic events were recorded conspicuously in Guliya ice core while the "Medieval Warm Period and "Little lce Age”is far weaker.Also,the well-defined "Medieval Warm Period" didn't occurred in the south of Qinghai-Xizang Plateau. The warming since the 20th century is the warmest in the last 2000 years in Guliya ice core, the second in Dulan area and East China, but it scarcely seems pronounced in the eastern part of Qinghai-Xizang Plateau.

English Abstract

DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

1. Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China;

2. Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China

Received Date: 1999-09-13
Publish Date: 2000-09-20

Keywords:

Abstract: Based on high-resolution tree-rind data from Dulan area of Qinghai Province, five spells have been divided:the warm period before 230's A. D., the cold period between 240's A. D. and 800's A. D., the significantly warm period between 810's A. D. and 1070's,i. e. "Medieval Warm Period”,the cold period including the"Little lce Age "1420's-1870's and the warming period since 1880's. All the eleven coldest or warmest decades and several great abrupt changes took place before the Middle Ages, indicating that climatic system operated in great instability during the period 150's-1100's A. D. . Comparison of the tree-ring data with other temperature proxy data from East China, Guliya ice core as well as the south of Qinghai-Xizang Plateau shows that such great climatic events as Eastern Han warm period between the beginning of the 1 st century and the previous fifty years of the third century, the cold period covering the span of the Wei, the Jin, and the Southern and Northern dynasties, the well-known“Medieval Warm Period”as well as the "Little lce Age”appeared in these series such as East China and Dulan area. Only the first two climatic events were recorded conspicuously in Guliya ice core while the "Medieval Warm Period and "Little lce Age”is far weaker.Also,the well-defined "Medieval Warm Period" didn't occurred in the south of Qinghai-Xizang Plateau. The warming since the 20th century is the warmest in the last 2000 years in Guliya ice core, the second in Dulan area and East China, but it scarcely seems pronounced in the eastern part of Qinghai-Xizang Plateau.

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DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

作者简介: YANG Bao(1971- ),male,a native of Yanggao County, Shanxi Province, Ph. D. His research interestinclude global change.

DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

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DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

1. Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China; 2. Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China

作者简介: YANG Bao(1971- ),male,a native of Yanggao County, Shanxi Province, Ph. D. His research interestinclude global change.

English Abstract

DECADAL CIMATIC VARIATIONS INDICATED BY DULAN TREE RING AND COMPARISON WITH OTHER PROXY DATA IN CHINA OF THE LAST 2000 YEARS

1. Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China; 2. Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China

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作者简介:
YANG Bao(1971- ),male,a native of Yanggao County, Shanxi Province, Ph. D. His research interestinclude global change.

1. Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China;

2. Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China

作者简介:
YANG Bao(1971- ),male,a native of Yanggao County, Shanxi Province, Ph. D. His research interestinclude global change.

1. Nanjing Institute of Geography curl Limuology, the Chinese Acurlemy of Scieuces, Nanjing 210008, P. K. China;

2. Cold and Arid Regions Environmental and Engineering Research Institute, the Chinese Acurlemy of Sciences, Lanzhou 730000, P. K. China