Land-use/land-cover change in east China and its possible effects on carbon cycle of terrestrial ecosystems in the last 20 years

Junhu Dai; Quansheng Ge; Xuexia Zhang

doi:10.1117/12.466765

14 July 2003 Land-use/land-cover change in east China and its possible effects on carbon cycle of terrestrial ecosystems in the last 20 years

Junhu Dai, Quansheng Ge, Xuexia Zhang

Author Affiliations +

Proceedings Volume 4890, Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land; (2003) https://doi.org/10.1117/12.466765
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

Much attention is focused on Land-use / Land-cover changes (LUCC) in recent years in the field of geographical studies, not only because it is one the most important contents of global environmental change, but also for the reason that it can affect terrestrial carbon cycle greatly, which plays an important role in warming the earth. Together with some data collected from the State Statistical Bureau and the State Land Administration, remotely sensed data (NOAA / AVHRR Imagery) is also used to study land-use change in east China during the last 20 years. It is clear that the land structure changes greatly in this period. More important, the farmland, grassland and forest have been changed more than any other elements. In the meantime, impacts of land-use change on land-cover change in the area are also analyzed by studying change of the Normalized Difference Vegetation Index (NDVI). Finally, it is estimated that based on such changes, the net primary productivity in east China during last 20 years may increase. The preliminary analysis shows that a relative steady increase in terrestrial net primary productivity is acknowledged. In another word, it seems that vegetation has sequestrated more carbon these years in east part of China.

Citation Download Citation

Junhu Dai, Quansheng Ge, and Xuexia Zhang "Land-use/land-cover change in east China and its possible effects on carbon cycle of terrestrial ecosystems in the last 20 years", Proc. SPIE 4890, Ecosystems Dynamics, Ecosystem-Society Interactions, and Remote Sensing Applications for Semi-Arid and Arid Land, (14 July 2003); https://doi.org/10.1117/12.466765

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available