A recent paper in Reviews of Geophysics explored the challenges of validating data collected from Earth observation satellites.
satellites
Posted inResearch Spotlights
Reducing Errors in Satellite-Derived Arctic Sea Ice Thicknesses
Salty snow throws off satellite-based estimates of Arctic sea ice thickness by up to 25%. A new method seeks to fix that.
Posted inNews
Polar Satellite Launch Eases Concerns of Weather Data Gap
Joint Polar Satellite System-1 is the first in a series of planned polar-orbiting satellites to provide critical weather forecasting data. Two follow-on satellites, however, face uncertain funding.
Posted inResearch Spotlights
Satellites Accurately Capture Ocean Salinity in the Arctic
On-the-ground measurements are notoriously difficult in the harsh environment of the Arctic, but satellites could help close the gap in measuring sea surface salinity.
Posted inResearch Spotlights
NASA Fleet Helps Predict Space Weather
Using 8 years of data collected via spacecraft, scientists produce hindcasts of plasma eruptions from the Sun. These will help improve forecasts.
Posted inScience Updates
Putting Satellite Maps of Surface Water to Practical Use
2nd SWOT Application User Workshop: Engaging the User Community for Advancing Societal Applications of the Surface Water Ocean Topography (SWOT) Mission, Reston, Virginia, 5–6 April 2017
Posted inResearch Spotlights
Juno Gets Spectacular View of Jupiter’s Aurora
The NASA spacecraft has taken images of Jupiter’s powerful aurora dancing around its poles, revealing never-before-seen details in their structure.
Posted inEditors' Vox
New Findings from Old Data
Recalibrated and reanalyzed data from the Voyager flybys of Jupiter 40 years ago, presented in a series of papers in JGR: Space Physics, show the value of archival data.
Posted inResearch Spotlights
Blending Satellite Data to Monitor Agricultural Water Use
A new technique that merges data gathered by multiple satellites can be used to monitor agricultural water use and improve water quality assessments around the globe.
Posted inScience Updates
Tracking River Flows from Space
Satellite observations, combined with algorithms borrowed from river engineering, could fill large gaps in our knowledge of global river flows where field data are lacking.