advertisement

Land use analysis in GMS

67 %
33 %
advertisement
Information about Land use analysis in GMS
Education

Published on March 19, 2014

Author: ciatdapa

Source: slideshare.net

advertisement

Land use change analysis Overview of climate variability and likely climate change impacts on agriculture across the Greater Mekong Sub-region (GMS) 10 – 11 March, 2014, Hanoi, Vietnam Eitzinger Anton, Giang Linh, Lefroy Rod Laderach Peter, Carmona Stephania

2 steps • Compare predicted future suitability change from climate models and Ecocrop maps and existing land use data • A time-series analysis of Land Use using satellite images

Not available = natural (forest, wetland, …), protected, water, bare, urban areas Needs change = land mixed with pastoralism (forest, herbaceous, wetlands, …) Available = Agriculture (commercial, subsidized, irrigated, …) Land use change at risk for agriculture

• A time-series of NDVI observations can be used to examine the dynamics of the growing season or monitor phenomena such as droughts. • The Normalized Difference Vegetation Index (NDVI) data set is available on a 16 day. The product is derived from bands 1 and 2 of the MODerate-resolution Imaging Spectroradiometer on board NASA's Terra satellite. 2nd step A time-series analysis of Land Use

2004 – 2012

Methodology… Download data • More than 300 images of NDVI 250m MODIS sensor were downloaded from the period 2000-2013 Image Filtering • NDVI scenes was first filtered to eliminate high and low values (poor quality data) using Quality Assessment Science Data Sets (QASDS) Noise Removal • Applying the approach of Fourier interpolation algorithm, to separate the noise spectrum from the signal spectrum of the data set frequency domain

MODIS for analyzing the vegetation cover Presentation: Linh Giang

OVERVIEW OF LANDCOVER FROM GOOGLE EARTH

5/2000 5/2006 5/2012

5/2000 5/2006 5/2012 MeKong detla area

5/2000 5/2006 5/2012 Laos area

2002-2009 Forest cover change (WWF report, 2013)

Mainland Southeast Asia: Land Cover 2004 The FLAMES project

WWF identified the key drivers of change of vegetation cover: - Human population growth and increasing population density. - Unsustainable levels of resource use throughout the region, increasing driven by the demands of export- led growth rather than subsistence use; - Unplanned and frequently unsustainable forms of infrastructure development (dams, roads…) World Population Density (people/km2)

Conclusion • MODIS data is useful to get overview of the vegetation cover change in the long time, • The highest changes in research area have concentrated in the Vietnam and Myanmar with deforestation reason. Laos has the contain of vegetation cover, • The result data has the good quality, recorded the same result with other projects

Thank you for your attention

Add a comment

Related presentations

Related pages

Strategic Environmental Assessment in the Greater Mekong ...

land use, and subregional ... range of stakeholders means land use planning in the GMS ... The analysis provided useful insights for GMS decision makers on
Read more

Land use analysis in GMS - Education - DOCUMENTS.MX

Share Land use analysis in GMS. ... Land use change analysis Overview of climate variability and likely climate change impacts on agriculture across the ...
Read more

Land use in the Greater Mekong Subregion - A Challenge for ...

Land use in the Greater Mekong Subregion - A Challenge ... consequences of land-use changes. Based on this analysis we ... Land use in the GMS ...
Read more

Section 2: GROWTH MANAGEMENT STRATEGY (GMS) Section 5 ...

Section 2: GROWTH MANAGEMENT STRATEGY (GMS) 4 2.1: Consideration of Growth Management Areas 4 2.1 ... 3.1.4: Analysis of Rezonings per Land Use 12
Read more

Environmental Analysis of the Greater Mekong Subregion ...

of the Greater Mekong Subregion Regional Investment Framework ... environmental analysis methodology focusing on the GMS ... terrain type and land use.
Read more

GMS Trends Report - Section 8 - Summary

supported by the land use change incidents, ... confirmed with further data analysis and tracking. ... GMS objectives and remains a positive indicator of ...
Read more

Agriculture & Food Security

Agriculture & Food Security 2013 2:2. DOI ... where these metrics were assessed based on the inter-annual covariance of the forecast GMs of each land-use ...
Read more

Valuation of Ecosystem Services in Xishuangbanna ...

Valuation of Ecosystem Services in Xishuangbanna Biodiversity Conservation Corridors ... Scenarios and Analysis 20 ... Summary of NPVs of Land Use Options ...
Read more