THE CEOS DATABASE : Missions, Instruments and Measurements
Full Name Cloud radar (ACE) Status No longer considered
Instrument Agencies NASA Maturity Medium Heritage
Instrument Type Cloud profile and rain radars Geometry Nadir-viewing
Instrument Technology Cloud and precipitation radar Sampling Imaging
Data Access Open Access Data Format HDF
Measurements and Applications Radar measurement for cloud droplets and precipitation.
Resolution Summary Vertical: 250 m, Cross-track: 1.4 km, Along-track: 2.5 km
Swath Summary Instantaneous Footprint < 1 km
Accuracy Summary TBD
Waveband Summary Dual frequency: 35 and 94 GHz
MW (~0.1 cm - ~100 cm)
Instrument Measurements
Measurements Overview
Atmospheric Temperature FieldsCloud base height
Atmospheric pressure (over sea surface)
Cloud particle properties and profileCloud liquid water (column/profile)
Precipitation Profile (liquid or solid)
Cloud ice (column/profile)
Cloud ice content (at cloud top)
Cloud optical depth
Cloud type, amount and cloud top temperatureCloud imagery
Cloud type
Cloud cover
Liquid water and precipitation ratePrecipitation intensity at the surface (liquid or solid)
Radiation budgetDownward long-wave irradiance at Earth surface
Thematic Links Global Climate Observing System Essential Climate Variables (GCOS ECVs)
ECVDescriptionProduct(s)ECV Inventory 3.0 Record(s)
Cloud Properties click here click here search ECV Inventory records
Earth Radiation Budget click here click here search ECV Inventory records
Precipitation click here click here search ECV Inventory records
Pressure (surface) click here click here search ECV Inventory records
Instrument Missions
ACE - Aerosol Clouds and Ecosystem Mission (2022 - 2023)
Copyright CEOS | About | Site Search | Report an Issue Researched and written by Symbios