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Source of Free Satellite imagery for US?

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#1
MapMedia

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This may be a long shot but here goes...

Free (or low cost)
Satellite imagery
color, multispectral
<30 meters
2005 to present

Specifically looking for area covering Newark, NJ but eventually other metro areas in US.

This is for landcover classification to be used in a model.

Thanks, Chris

#2
Hans van der Maarel

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This may be a long shot but here goes...

Free (or low cost)
Satellite imagery
color, multispectral
<30 meters
2005 to present

Specifically looking for area covering Newark, NJ but eventually other metro areas in US.

This is for landcover classification to be used in a model.

Thanks, Chris


Try this: Global Landcover Facility

or...

TrueMarble
Hans van der Maarel - Cartotalk Editor
Red Geographics
Email: hans@redgeographics.com / Twitter: @redgeographics

#3
Geographic Techniques

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Or you could try this...

USDA Geospatial Data Gateway

They have county mosaics for 2005 and 2006 for many areas of the US.
Douglas Norgord, Geographic Techniques
www.geotechmap.com

#4
Rob

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This may be a long shot but here goes...

Free (or low cost)
Satellite imagery
color, multispectral
<30 meters
2005 to present

Specifically looking for area covering Newark, NJ but eventually other metro areas in US.

This is for landcover classification to be used in a model.

Thanks, Chris


A lot of Landsat imagery was just opened up to the public for free recently.

#5
MapMedia

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This may be a long shot but here goes...

Free (or low cost)
Satellite imagery
color, multispectral
<30 meters
2005 to present

Specifically looking for area covering Newark, NJ but eventually other metro areas in US.

This is for landcover classification to be used in a model.

Thanks, Chris


A lot of Landsat imagery was just opened up to the public for free recently.


Excellent. Thank you all. Will be watching for the Landsat material to go online.

#6
Rob

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Excellent. Thank you all. Will be watching for the Landsat material to go online.


Here's what I recieved from USGS on it:

Greetings,
I just received the following announcement about the USGS plans on making all Landsat data available for no-charge.

Today, the USGS released a technical announcement, outlining the plan for the release of no-charge Landsat data. Over the next 9 months, we will be opening up the Landsat archive for no-charge ordering. Please see the announcement below for details, and feel free to contact any of the Landsat staff for more information.

Imagery for Everyone…
Timeline Set to Release Entire USGS Landsat Archive at No Charge.

RESTON, VA – The USGS Landsat archive is an unequaled 35-year record of the Earth’s surface that is valuable for a broad range of uses, ranging from climate change science to forest management to emergency response, plus countless other user applications. Under a transition toward a National Land Imaging Program sponsored by the Secretary of the Interior, the USGS is pursuing an aggressive schedule to provide users with electronic access to any Landsat scene held in the USGS-managed national archive of global scenes dating back to Landsat 1, launched in 1972. By February 2009, any archive scene selected by a user – with no restriction on cloud cover – will be processed automatically to a standard product recipe, using such parameters as the Universe Transverse Mercator projection, and staged for electronic retrieval. In addition, newly acquired scenes meeting a cloud cover threshold of 20% or below will be processed to the standard recipe and placed on line for at least six months, after which they will remain available for selection from the archive.

Newly acquired, minimally cloudy Landsat 7 Enhanced Thematic Mapper Plus (ETM+) data covering North America and Africa are already being distributed by the USGS over the Internet at no charge, with expansion to full global coverage of incoming Landsat 7 data to be completed by July 2008 (see timeline below). The full archive of historical Landsat 7 ETM+ data acquired by the USGS since launch in 1999 will become available for selection and downloading by the end of September 2008. At that time, all Landsat 7 data purchasing options from the USGS, wherein users pay for on-demand processing to various parameters will be discontinued.

By the end of December of 2008, both incoming Landsat 5 Thematic Mapper ™ data and all Landsat 5 TM data acquired by the USGS since launch (1984) will become available, with all Landsat 4 TM (1982-1985) and Landsat 1-5 Multi-Spectral Scanner (MSS) (1972-1994) data becoming available by the end of January 2009. All Landsat data purchasing options from the USGS will be discontinued by February 2009, once the entire Landsat archive can be accessed at no charge.

Landsat scenes can be previewed and downloaded using the USGS Global Visualization Viewer at http://glovis.usgs.gov [under “Select Collection” choose Landsat archive: L7 SLC-off (2003-present)]. Scenes can also be selected using the USGS Earth Explorer tool at http://earthexplorer.usgs.gov [under “Select Your Dataset” choose Landsat Archive: L7 SLC-off (2003-present)]. For further information on Landsat satellites and products, see http://landsat.usgs.gov

End of official message

Just as an FYI - to clarify some points in the announcement. This plan will only allow 1 recipe of data to be produced. L7 data will not have any gap correction applied. The 20% or less cloud cover images will be processed automatically, the higher cloud cover scenes will be processed as ordered with no plans for prioritization of orders.
Pixel size: 15m/30m/30m
Media type: Download (web-enabled)
Product type: L1T (terrain-corrected)
Output format: GeoTIFF
Map projection: UTM
Orientation: North up
Resampling: Cubic convolution
DEM: GLS DEM (SRTM, NED, CDAD, DTED,
GTOPO 30)
Please review the announcement and if you have any questions or comments please contact any or all of the following:

Kristi Kline, PMP
Landsat Project Manager
kkline@usgs.gov

James Lacasse, PMP
Landsat Mission Management Officer
jmlacasse@usgs.gov

Rachel Headley, PhD
Scientist, Landsat Project
Data Acquisition Manager, Acting
rheadley@usgs.gov

#7
Matthew Hampton

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You should also check out the National Agriculture Imagery Program (NAIP). It's free aerial imagery and the resolution is hard to beat (~1m).

Oregon Metro - Portland, OR
www.oregonmetro.gov





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