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ISS Documents

Name Description File Type Date Published
Atmospheric Correction using Cloud & Shadow Atmospheric Correction using Cloud & Shadow PDF (3.6 mb) April 6, 2011
Atmospheric Correction Using Tafkaa Atmospheric Correction Using Tafkaa PDF (522.98 kb) April 6, 2011
GEDI L4C Gridded User Guide GEDI L4C Gridded User Guide PDF (281.48 kb) Dec. 8, 2025
HICO Data Distribution at OSU HICO Data Distribution at OSU PDF (1.42 mb) April 6, 2011
HICO Data Sets and Products HICO Data Sets and Products PDF (11.84 mb) April 6, 2011
HICO data: Life after level 1b HICO data: Life after level 1b PDF (11.89 mb) April 6, 2011
HICO Mission Planning and Operations HICO Mission Planning and Operations PDF (3.03 mb) April 6, 2011
HICO ON-ORBIT CALIBRATION AND DATA CORRECTIONS HICO ON-ORBIT CALIBRATION AND DATA CORRECTIONS PDF (2.85 mb) April 6, 2011
Hyperspectral Imager for the Coastal Ocean (HICO) Performance Testing and Calibration HICO User Group (HUG) Hyperspectral Imager for the Coastal Ocean (HICO) Performance Testing and Calibration HICO User Group (HUG) PDF (1.26 mb) April 6, 2011
ISS RapidScat Fact Sheet Summary of Facts about the ISS-RapidScat mission. PDF (963.48 kb) Sept. 8, 2014
Ocean Products and Atmospheric Removal in APS Ocean Products and Atmospheric Removal in APS PDF (6.05 mb) April 6, 2011
Ocean Products Using a Look-Up-Table Approach Ocean Products Using a Look-Up-Table Approach PDF (13.66 mb) April 6, 2011
Ocean Products Using Multispectral Algorithms Ocean Products Using Multispectral Algorithms PDF (2.06 mb) April 6, 2011
Overview of data processing to Level 1B Overview of data processing to Level 1B PDF (541.3 kb) April 6, 2011
Overview of the HICO Instrument Overview of the HICO Instrument PDF (5.21 mb) April 6, 2011
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ISS Learning Resources

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Three-panel figure comparing EMIT and PACE OCI observations over a wildfire region in southeastern Australia. The left panel shows a high-resolution stretched RGB EMIT image with detailed terrain, vegetation, burn scars, and surrounding agricultural fields. The center panel displays surface reflectance spectra for a selected location (approximately 142.3°E, 37.0°S), comparing EMIT pre-fire and post-fire observations (solid green and orange lines) with corresponding PACE OCI pre-fire and post-fire observatio

Processing PACE and EMIT Data

This tutorial will demonstrate how to preprocess the EMIT and PACE reflectance data so that they can be used together to investigate science questions. Using the emit_tools and pace_tools modules, the data are orthorectified, geolocated, merged where needed, and resampled onto a common grid, enabling direct comparison of observations from the two sensors.
External Resource
Jupyter Notebook
July 14, 2026
The folium map above highlights the differences in the observation footprints of the two instruments while clearly showing where each EMIT granule falls within its corresponding PACE OCI granule. For the observations on November 14, 2024, the EMIT granules are located near the center of the PACE OCI granule and collectively cover the full extent of the park. In contrast, most of the other EMIT granules lie near the edges of their paired OCI granules.

Find Colocated PACE and EMIT Data

This tutorial demonstrates how to find colocated EMIT and PACE Ocean Color Instrument (OCI) granules using the earthaccess Python library.
External Resource
Jupyter Notebook
July 14, 2026
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ISS News

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Pictured is satellite imagery of portions of Montana, Idaho, and Wyoming. Portions of the map are colored blue for areas of EMIT and SAR data masking. Yellow where there is landing cover masking. Red where high-resolution model training was used. Dots for training point data. And white to show the total area of analysis extent.

Homing In On the Range

USGS researchers found NASA’s imaging spectroscopy satellite data could significantly improve identification of vegetation types across rangelands.
News
June 25, 2026
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