Topography News

Articles, resources, and announcements from Topography.

Location of NASA ICESat-2 (ATL13) data (Inland Water Product) from April 25, 2023 over Lake Powell, Utah, United States, viewed in OpenAltimetry.

Laser Altimetry Applications for a Changing World: Explore ICESat-2 Data

This is the first in a four-part webinar series to introduce NASA's Ice, Cloud, and land Elevation-2 (ICESat-2) platform and the platform's data, tools, and applications.

Webinar

Oct 28, 2024

This a square image of a portion of Eastern Texas. The image was taken by the TEMPO spacecraft and shows nitrogen dioxide gas levels across the region. A majority of the image is colored blue indicating lower levels of gas. The upper left corner of the image shows the city of Dallas colored in orange, red, and black indicating increasingly higher levels of gas. In the lower middle of the image is Houston, again colored in orange, red, and black indicating increasingly higher levels of gas.

NASA Identifies Activities to Address U.S. Satellite Observation Needs

Assessment of the 2022 Satellite Needs Working Group (SNWG) survey identified six science activities to address U.S. Federal civilian agency satellite needs.

News

Jul 18, 2024

A graphic showing the locations of GNSS stations in North America, Central America, a portion of South America, Greenland, western Eurpoe, and western Africa.

No Longer Just an Experiment: 30 Years of the IGS

The International Global Navigation Satellite Systems Service (IGS), a voluntary federation of more than 200 self-funding entities, celebrates three decades of providing high-quality data.

Feature Article

Feb 29, 2024

Dr. Philip Brodrick

NASA has long used imaging spectroscopy to peer into space. Now, scientists are using the technology to take a closer look at Earth.

Data User Story

Feb 15, 2024

image collage of satellite data images of Earth

OPERA Level 2 Products are Now Available from ASF

The Alaska Satellite Facility announced the availability of new synthetic aperture radar data products from the Observational Products for End-Users from Remote Sensing Analysis (OPERA) project.

News

Dec 22, 2023

Data Tool in Focus: OpenAltimetry

OpenAltimetry lets users explore changes on Earth’s surface around the globe and over time, and all they need is a web browser.

Feature Article

Dec 20, 2023

A black and white Synthetic Aperture Radar image showing increased water extent in the La Sabana River.

New Products Free Users from the Burden of Pre-Processing SAR Data

NASA's Observational Products for End-Users from Remote Sensing Analysis (OPERA) project releases two new analysis-ready products.

Feature Article

Dec 11, 2023

true-color image of north africa and the strait of gibraltar with two green lines on right indicating ICESat-2 orbit; colored dots on green line indicate available data

Visualize and Explore Surface Elevation Data with OpenAltimetry

OpenAltimetry, a cyberinfrastructure platform for working with data from NASA’s Ice, Cloud, and land Elevation Satellite (ICESat) and ICESat-2 missions, is now a full NASA Earth science application.

News

Oct 5, 2023

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