Transcript Document 7290180

The Global Land Cover Facility
The Global Land Cover Facility
and Biodiversity Conservation
University of Maryland Department of Geography and Institute for
Advanced Computer Studies
John Townshend, Joseph JaJa, Paul Davis, Benjamin White
NASA Biodiversity and Ecological Forecasting Team Meeting
August 29, 2005
The Global Land Cover Facility
Introduction
• About the GLCF & GLCF Collections
• The GLCF Contribution to Biodiversity Conservation
Global Land Cover Product, derived from AVHRR
The Global Land Cover Facility
About the Global Land Cover Facility
The Global Land Cover Facility (GLCF) is a research project housed at
the University of Maryland that focuses on developing land cover and
land cover change products, and making land cover relevant imagery and
products available to users.
The GLCF mission is: “To encourage the use of remotely sensed
imagery, derived products and applications within a broad range of
science communities in a manner that improves comprehension of the
nature and causes of land cover change and its impact on the Earth.”
GLCF Goals include: “Provide free access to an integrated collection of
critical land cover and Earth science data through systems that are
designed to maximize user outreach and that promote development of
novel tools for ordering, visualizing and manipulating spatial data.”
Landsat 7
The Global Land Cover Facility
About the Global Land Cover Facility
The Global Land Cover Facility (GLCF) is sponsored primarily
by NASA through the Reason, Education, and Applications
Solutions Network (REASoN) program under NASA Grant #
NNG04GC53A.
GLCF is a University of Maryland collaborative between the
Department of Geography and the Institute for Advanced
Computing Studies.
The GLCF is a founding member of the Federation of Earth
Science Information Partners.
The GLCF is an active member of the Open Geospatial
Consortium.
The Global Land Cover Facility
The GLCF Archive includes
collections of mostly remotely
sensed imagery and derived
products.
Current holdings are over 14
terabytes, including 28,000
Landsat scenes and MODIS
composites for every 32 days
since 2000.
Collections are standardized in
GeoTiff & WGS84 to be ready
to use and interoperable.
All data & products are
available for free, to anyone.
The Global Land Cover Facility
GLCF Archive Includes a Global High Resolution Satellite Record
ETM+: 16 January, 2001
TM: 16 April, 1990
MSS: 15 February, 1974
• Free
• Entire land surface of the globe, at least three times – often more.
• Multi-temporal: includes Landsat GeoCover in decadal editions for
1975, 1990, 2000.
• GeoCover portion of collection is orthorectified.
• Easy to integrate with other data sets (GeoTIFF, WGS84).
• Allows users to monitor areas of interest cheaply and safely.
The Global Land Cover Facility
Shuttle Radar Topography Mission (SRTM)
Global elevation data, converted to GeoTIFF and WGS84 at GLCF, at
three resolutions:
1 arc second (@30m), 3 arc seconds (@90m), and 30 arc seconds (@1km)
Each of the resolution editions are also available in two tiling schemes:
1 arc sec & 3 arc sec :
• native one degree tiles,
in geographic coordinates
OR
• WRS-2 tiles, in UTM
coordinates
30 arc sec :
• Native GTOPO30 tiles
OR
• Global mosaic
The Global Land Cover Facility
SRTM & Landsat
Since both SRTM and Landsat TM/ETM+ are 30m resolution, they are
relatively easy to use together, for simple draping or for complex
modeling operations. GLCF makes both products available in GeoTIFF
format and in WRS-2/UTM tiles.
Landsat GeoCover
ETM+
Draped over 30m
SRTM.
Mt. Rainier,
Washington.
The Global Land Cover Facility
Moderate Resolution Remote Sensing with MODIS
UMD Geography
Vegetative Cover Conversion (VCC), showing change (red) that occurred
in the tree cover of Mato Grosso, Brazil, between 2001-2002.
Several MODIS products that are generated by the UMD Geography
Dept are served at the GLCF, including VCC, VCF (vegetation
continuous fields), NDVI (normalized difference vegetation index) and
32-day composites. These products are ready to use for many regional
and global science activities, and are often suitable for local change
detection.
The Global Land Cover Facility
Global Data Collections for Systems Analysis
GLCF makes available several AVHRR-derived collections that are
suitable for regional or global modeling, including two collections with
full global coverage over twenty years:
• Global Inventory Modeling and Mapping Studies (GIMMS), by NASA
• Global Product Efficiency Model (GloPEM), by UMD Geography
GIMMS = Normalized Difference
Vegetation Index (NDVI)
Applications include:
- Climate & biogeochemical modeling
- Long-term vegetation measures
GloPEM = Net Primary
Productivity (NPP)
Applications include:
- Climate modeling
- Multi-scale productivity
measures
The Global Land Cover Facility
Serving Landsat GeoCover to UNEP
Per NASA’s direction, the GLCF has provided whole copies of the
Landsat GeoCover Product, containing orthorectified Landsat imagery in
three series (ETM+/2000, TM/1990 and MSS/1975), produced through
the Earth Satellite Corporation and NASA’s Science Data Purchase
Program, to the United Nations Environment Programme and FAO.
Landsat Scenes for Colombia
UNEP is providing access to this
same collection to each developing
country’s environmental ministry
so that each nation has the same
base data to work with for
environmental assessment.
The Global Land Cover Facility
GLCF Conservation Science Goals
Integration:
– To provide the conservation community with a mechanism
for the integration of remote sensing with more traditional
data collection efforts
Science:
– To provide scientific leadership for the conservation
community on land cover mapping and techniques
Interoperability:
– To develop mechanisms for the interoperability of data
catalogues within the conservation community
Intergovernmental Decision Support:
– To provide decision support mechanisms for the
intergovernmental environmental policy-making community
The Global Land Cover Facility
Integration for Conservation
Goal:
– A one-stop shop for
conservation data
Current:
– Provision of interface tools
for conservation relevant
Earth science data
Near-Term:
– Integrating traditionally nonspatial data sets into the
conservation science
collection
Fires burning in Landsat scene of Russia
The Global Land Cover Facility
Earth Science Value to Conservation as a Function of
Data Access + Data Reduction
The GLCF’s role:
– Providing access to critical,
global, multiple resolution
and multiple date collections
of Earth observation imagery
and products.
– Data collections are
processed to reduce need for
conservation users to
translate into local systems.
The Global Land Cover Facility
GLCF’s Earth Science Data Interface (ESDI):
Multiple Modes of Access to over 14TB of Free Data
(left): Search by Map, WRS-1 or WRS-2
Path/Row/Date, or by Individual Product
(right): Red indicates GLCF SRTM data
available via. a simple point, click and
download interface
The Global Land Cover Facility
GLCF Infrastructure & Usage
GLCF’s computing infrastructure is designed for:
- reliability, including collection security and sustainability
- flexibility and ease of integration
- bandwidth optimization
- both operational and research computing
Downloads from GLCF FTP, Aug 02 - July 05, with Trendline
14,000,000
12,000,000
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6,000,000
4,000,000
2,000,000
0
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MB
The Global Land Cover Facility
GLCF is Active in Data Sharing Research and Practice
• OPeNDAP
• Data Grid
• Developing Regional Data Exchange Centers
– Russia
– China
– Japan
– Amazon Cooperation Treaty
(ACT) area
• GBIF
GRASP Interface
Zone: esip-remote
Remote MCAT
SRB Master
SRB Master
SRB Master
Zone: esip-umiacs
UMD MCAT
SRB Master
SRB Master
DFS
Gateway
Local Peer
The Global Land Cover Facility
Developing a New “Information Landscape”
The Global Land Cover Facility
Intergovernmental Decision Support
•
•
•
•
•
•
CBD
IUCN
UNESCO-WHC
IGOS - IGOL
GOFC-GOLD
GEOSS
The Global Land Cover Facility
GLCF and the NASA-NGO Working Group on Biodiversity
Working Group Mission:
– To recommend to the Convention on
Biological Diversity and Target 2010, those
global and national biodiversity indicators
which may best be acquired with remote
sensing
– In collaboration with UNEP-WCMC, develop
a resource book on the use of remote sensing
in future monitoring activities
GLCF’s Role:
– Site-based and national recommendations:
• Forest ARD
• Fragmentation
• Monitoring for protected area management
– Recommendations on integration of remote
sensing based indicator monitoring with more
traditional methods of data collection
– Computational and technological infrastructure
The Global Land Cover Facility
Remote Sensing and Global Conservation Priorities:
GLCF and IUCN
GLCF Membership:
– GLCF is a voting member of IUCN
– A participant in World Conservation Commons
– Commission membership:
• World Commission on Protected Areas
• Commission on Ecosystem Management
Innovation in Conservation:
– Can old conservation objectives be accomplished in new ways?
– GLCF is a vehicle for the integration of NASA remote sensing
science, technology with the conservation community’s
requirement for systematic, synoptic observations of habitat and
habitat threats
The Global Land Cover Facility
Conservation Commons
• GLCF has formally endorsed the IUCN Conservation Commons
• The Principles of the Commons are:
Open Access
• The Conservation Commons promotes free and open access to data, information and
knowledge for conservation purposes.
Mutual Benefit
• The Conservation Commons welcomes and encourages participants to both use
resources and to contribute data, information and knowledge.
Rights and Responsibilities
• Contributors to the Conservation Commons have full right to attribution for any uses
of their data, information, or knowledge, and the right to ensure that the original
integrity of their contribution to the Commons is preserved. Users of the
Conservation Commons are expected to comply, in good faith, with terms of uses
specified by contributors and in accordance with these Principles.
• An initial focus is encouraging openness in commercial entities with conservationrelevant data e.g. the banking, energy, and communications sectors
• Other participants include: UNESCO, UNDP, UNEP, Conservation International,
GBIF, Shell, The Nature Conservancy, NASA, IUCN
The Global Land Cover Facility
UNESCO Natural, Terrestrial, World Heritage Sites
A GLCF Goal: Integrated Spatial Support for Heritage Site Management
The Global Land Cover Facility
December 2004 Tsunami’s Influence on Protected Areas
• Donors: Digital Globe,
OrbImage
• Partners: Conservation
International’s Tsunami
Impact Model
• Capacity building in the
assessment and
restoration of tsunamiimpacted protected
areas and livelihoods.
• High resolution
imagery available for
free download.
• Designed to provide a
framework for ongoing
monitoring of
regeneration and
recovery.
The Global Land Cover Facility
GLCF’s ASTER STAR for NASA NGO’s
The conservation community
needs consistent and specific
monitoring for:
• priority areas
• validation
• general management
GLCF has a STAR tasking
program to provide the NGOs
with ASTER for science
research. GLCF also facilitates
access and usability through:
• conversion to GeoTIFF
• high speed access
• integration with GLCF archive
Land cover classification and L1B ASTER imagery.
The Global Land Cover Facility
Using Remote Sensing Imagery to Monitor Remote Locations
Atlasov Island is an
active volcano found in
Atlasov
Russia’s Kuril Islands.
This island is part of the
Kamchatka Volcanoes
Kamchatka Volcanoes
World Heritage Site
World Heritage Site, but
is difficult to access and
dangerous to visit.
Imagery such as this
ASTER scene can be
used to monitor and
manage this protected
area.
ASTER: 25 July, 2001
The Global Land Cover Facility
Future Activities
The GLCF will continue efforts in conservation science, including:
• Supporting World Heritage Sites with remote sensing products.
• Creating land cover and land cover change products to support
conservation.
• Expanding and researching spatial infrastructure design and delivery.
• Responding to special events.
• Continuing development of critical, synoptic, global to local data
collections.
• Building remote sensing capacity with
conservation science researchers.
The Global Land Cover Facility
Please Visit the GLCF:
www.landcover.org
Vegetation Continuous Fields, derived from MODIS, Percent Tree Cover, 2000, by UMD Geography