August 24, 2022

Lake Powell Still Shrinking

The second largest reservoir in the United States now stands at its lowest level since it was filled in the mid-1960s.

April 27, 2021

Sizing up Remote Lakes From Space

Researchers have found a new way to measure the depth of some of the most isolated, shallow lakes, using NASA's ICESat-2 satellite. Knowing the shapes of lake beds in dry regions enables us to better estimate the amount of water stored in these basins.

April 20, 2021

Green Lakes From Space

Harmful algal blooms are often hard to predict. NASA's Earth-observing satellites are uniquely poised to help spot them, and track the many ways that different parts of the Earth's system are connected.

April 12, 2021

When The Water Isn't Fine

The Cyanobacteria Assessment Network (CyAN) - a joint EPA, NASA, NOAA and USGS project - uses satellites to monitor harmful algal blooms in over 2,000 of the largest U.S. lakes. Since its launch, CyAN has saved millions of dollars in monitoring and health costs. 

April 6, 2021

Satellites Shaping Algal Bloom Monitoring Standards

Earth data are becoming more widely valued. For the first time, satellite data have been included in the World Health Organization’s guide on monitoring harmful algal blooms worldwide. The update draws directly from the Cyanobacteria Assessment Network, a multi-agency water project involving NASA.

April 5, 2021

WWAO Passes Baton to U.S. Dept. of Agriculture

We have liftoff! NASA WWAO's new Soil Moisture Data System is operational and has been handed off to its partner, the U.S. Department of Agriculture, as the project comes to a close.

December 13, 2020

Connecting The Drops - Nikki Tulley, Navajo Nation

Nikki Tulley is a member of the Navajo Nation working with WWAO on its Navajo Drought Project. She explains why she's on a mission to help her community protect its most vital resource: water.

December 11, 2020

WWAO Passes The Baton to The Navajo

We have liftoff! NASA WWAO's new Drought Severity Tool is operational and has been handed off to its tribal partner, the Navajo Nation, as the project comes to a close.

December 4, 2020

Early Access to Global Flood Tracking

Floods are the most deadly and costly natural hazard. A NASA team is streamlining access to real-time satellite data so disaster managers can make informed decisions, faster.

December 3, 2020

Satellites Improving Flood And Landslide Monitoring

NASA scientists Dalia Kirschbaum and Maggi Glascoe are using satellite data to pioneer improved landslide and flood alerting around the world.