Earth and Space Institute

Information about Recent Federal Orders

HARP2 V3 data now available on NASA EarthData!

HARP2 data collection V3 is a full-mission reprocess that includes geolocation refinement, wide field-of-view polarization calibration, dynamic on-board calibration for dark and flatfield, and elevated background corrections. Take a look at this recent publication on HARP2 pre-launch calibration for more details.

As of 1 July 2025, the official PACE HARP2 L2 science products are undergoing validation and will be available soon. For the full list of PACE products and their delivery status, visit the PACE Data Product Table.

Learn more about the PACE mission! Download HARP2 V3 data here!

Pre-launch calibration of HARP2 published in AMT!

Lead author Dr. Noah Sienkiewicz and ESI at NASA (see video).

New article by ESI graduate student Noah Sienkiewicz!

Sienkiewicz simulated and suggested suitable Earth observations for HARP CubeSat on-orbit.

ESI’s first retreat at the Maryland Science Center!

The group reflected on lessons learned while looking to the horizon.

AirHARP2 calibration in-prep for the PACE-PAX campaign!

ESI leads the calibration of the AirHARP2 suite at NASA GSFC.

Viewing the Earth with “Polarized Eyes”

Global HARP2 polarization data from April 19th 2024.

The Science of HARP2’s Cloudbows

Cloud properties are inferred from HARP2 data on 11 March 2024!

New aerosol information in HARP2 data!

Fine mode particles over Caribbean (capture on 21st-March 2024)

PACE HARP2 data publicly available now!

Every 2 days, HARP2 maps the entire Earth!

HARP2 Launch: 8 Feb 2024

Launch of the PACE satellite - Click to see the video.

Latest News

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It’s all fun and (addictive!) games for ESI software engineer Jet Thompson

On April 16, 2025, UMBC held its annual Undergraduate Research and Creative Achievement Day (URCAD) conference. This event features research done by undergraduates from all majors under the...

Posted: July 2, 2025, 5:46 PM