nguyen dinh duong institute of geography,...
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Nguyen Dinh DuongInstitute of Geography, Vietnam
11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
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Presentation Outline Background information Environmental issues in Halong Bay Land cover / use change study by remote sensing Concluding remarks
11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
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Back ground information From 1997 to 1999 a project “Capacity Building for Environmental Management in Vietnam” funded by EU has been implemented in Vietnam.
Halong Bay was one of the main study area of the project.
Main development activities are in Halong Bay: Coal mining Tourism development Deep sea port development
11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
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Urbanization and industrial zone development– land reclamation
It was found out that there are conflicts of interest, between ministries, institutions and interest groups, and between the central and local governments in a framework of strong competition for control of resources.
Due to fast development land use / cover change is inevitable for Halong Bay.
11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
Settlement
Tourism area
Reserved for housing
Swiming beachLimestone
Botanic garden
ParkCoal mining
Sea park
Industrial complex
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Spatial map of Master Development Plan of Ha Long City for the period 1994 ‐ 2010
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A GIS database was developed for strategic environmental assessment.
11/5/2011Coastal Zone Land Use in Halong Bay and the Red River Delta
Core study area
Extended study area
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
Ground GPS photos
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
Flash flood Land reclamation Mangrove loss due to reclamation
Mangrove loss due to coal mining
Coal mining Loss of forest and agricultural land due
to coal mining
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0
10
20
30
40
50
2001 2002 2003 2004 2005 2006 2007
Coal mining production mill. tones/year
Coal miningproduction mil.tones/year
11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta1991
Cua Luc Bay
Halong Bay
Coal mining
Cai Lan port
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta2001
Cua Luc Bay
Cai Lan port
Halong Bay
Coal mining
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta2004
Cua Luc Bay
Cai Lan port
Halong Bay
Coal mining
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta2010
Cua Luc Bay
Cai Lan port
Halong Bay
Coal mining
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11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta1991
Cua Luc Bay
Cai Lan port
Halong Bay
Coal mining
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Concluding remarks Implementation of master plan brings an intensive change in land use / cover in Halong Bay region.
It is expected a serious impact of land use / cover change to environment in Halong Bay which needs to be systematically assessed.
Long time series of Landsat TM is very useful information source for understanding these changes.
11/5/2011 Coastal Zone Land Use in Halong Bay and the Red River Delta