NOTICE -- The LBA-ECO Project website is no longer being supported.  This archive is a snapshot, as it existed in 2013, of the LBA-ECO website, maintained by NASA Goddard Space Flight Center, and now archived at the ORNL DAAC.  Links to external websites may be inactive. Final data products from the LBA project can be found at the ORNL DAAC.
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Investigation:

LC-08 (Moore / Nobre)

LBA Dataset ID:

LC08_IKONOS_Field_Sites

Originator(s):

1. Braswell, Rob H.
2. Frolking, Steve
3. Hagen, Stephen Charles
4. Hurtt, George C.
5. Moorcroft, Paul R.
6. Moore, Berrien
7. Nobre, Carlos Afonso
      8. Pacala, Steve
9. Peterson, Bruce J.
10. Tian, Hanqin
11. Vorosmarty, Charles J.
12. Wildes, Pam
13. Xiao, Xiangming

Point(s) of Contact:

Spencer, Shannon (shannon.spencer@unh.edu)

Dataset Abstract:

IKONOS satellite imagery data have been requested from the NASA Scientific Data Purchase Program in support of research for the Large-scale Biosphere-Atmosphere Experiment in Amazonia (LBA). EOS-WEBSTER is providing these IKONOS data to LBA researchers and affiliated NASA researchers/employees in agreement with the Space Imaging End User License Agreement (EULA). Data are either currently available or will be made available when received for two types of LBA Ecology study sites: 1) Eddy Flux Tower Sites and 2) Land Use Field Sites. IKONOS imagery have been acquired for 14 eddy-flux tower sites, with images for multiple date for several sites. Eight images have been cataloged for LBA-Ecology Field Study Sites, representing five field study sites. Additional field study site images are anticipated during the summer and fall 2001 acquisition period. The images will be shared among all LBA teams following the data-sharing guidelines of the EULA. The current LBA-E Field Study Sites Available: Ecuador (East & West) Altamira (East & West) Cauaxi Machadinho Ponta De Pedras (East & West) Anticipated Field Study Site Images:
EC-1 EC-2 EC-4 Para Igarape-Acu
Tome-Acu
Ituqui Belem See more detailed information regarding these data and data access privilages at http://www.eos-webster.sr.unh.edu or contact the Data Center Contact above.

Beginning Date:

None indicated.

Ending Date:

None indicated.

Metadata Last Updated on:

2011-12-30

Data Status:

Archived at LBA-DIS Only

Access Constraints:

Restricted to LBA research community

Data Center URL:

http://eos-webster.sr.unh.edu

Distribution Contact(s):

Blaha, Denise

Access Instructions:

Restricted to LBA research community

Data Access:

IMPORTANT: The LBA-ECO Project website is no longer being supported. Links to external websites may be inactive. Final data products from the LBA project can be found at the ORNL DAAC. Please follow the fair use guidelines found in the dataset documentation when using or citing LBA data.
Datafile(s):

EOS-WEBSTER Data Download:  http://eos-webster.sr.unh.edu/?referrer=Beija-flor&collection=IKONOS%20Data

Documentation/Other Supporting Documents:

Data Set User's Guide at UNH's EOS-Webster:  http://eos-webster.sr.unh.edu/data_guides/ikonos_dg.jsp

Citation Information - Other Details:

Users of these data are requested to acknowledge the NASA LBA-Ecology Program, the NASA Scientific Data Buy Project, and The University of New Hampshire Earth Science Information Partner (EOS-WEBSTER).

Keywords - Theme:

Parameter Topic Term Source Sensor
REFLECTANCE     IKONOS IKONOS

Uncontrolled Theme Keyword(s):  Field Study Sites, IKONOS, LBA-Ecology Field Sites, NIR, Radiance, Reflected Radiation, Satellite Imagery, Tower Sites, VISIBLE

Keywords - Place (with associated coordinates):

Region
(click to view profile)
Site
(click to view profile)
North South East West
Amazon Basin Amazon Basin 5.00000 -18.00000 -35.00000 -80.00000

Related Publication(s):

Hurtt, G., X.M. Xiao, M. Keller, M. Palace, G.P. Asner, R. Braswell, E.S. Brondizio, M. Cardoso, C.J.R. Carvalho, M.G. Fearon, L. Guild, S. Hagen, S. Hetrick, B. Moore, C. Nobre, J.M. Read, T. Sa, A. Schloss, G. Vourlitis, and A.J. Wickel. 2003. IKONOS imagery for the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA). Remote Sensing of Environment 88(1-2):111-127.

Data Characteristics (Entity and Attribute Overview):

Data Characteristics:

Imagery Format



Each IKONOS scene is distributed in its original format, as received from Space Imaging. This consists of a directory containing 22 or more files. Each scene has four 4-meter multispectral bands and one 1-meter panchromatic band. The files are distributed as GeoTiff files. Each image band consists of 3 files which makeup the GeoTiff format: a band sequential (BSQ) file of the data, a world file for projection information, and a header file. Additionally, a metadata file for the scene is included, 2 jpeg browse images, and a copy of the Space Imaging End User License file. When you order a IKONOS data you will receive a directory for each scene. All scenes will be zipped prior to download. Each scene is between 60-120 MB.



Technical Specifications of IKONOS Imagery



IKONOS data consists of 4 multispectral bands and 1 panchromatic band. These images have been projected in Universal Transverse Mercator using the WGS-84 reference ellipsoid. These data have been orthorectified (see specifications below) and resampled using cubic convolution. The data have 11-bit radiometric resolution.



IKONOS Spectral Specifications



Multispectral Bands





Panchromatic



4 meter spatial resolution





1 meter spatial resolution



Horizontal positional accuracy:



Standard Original = ± 250 m

Standard Master = ± 12.2 m





Horizontal positional accuracy:



Standard Original = ± 250 m

Standard Master = ± 12.2 m








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