THE CEOS DATABASE : MISSION, INSTRUMENTS AND MEASUREMENTS

Radar measurement for cloud droplets and precipitation.

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

Resolution

Vertical: 250 m, Cross-track: 1.4 km, Along-track: 2.5 km

Swath

Instantaneous Footprint < 1 km

Accuracy

TBD

Waveband

Dual frequency: 35 and 94 GHz

MW (~0.1 cm - ~100 cm)

ACE - Aerosol Clouds and Ecosystem Mission (2022 - 2023)

*ECV*	*Description*	*Product(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

Category	Parameter
Atmospheric Temperature Fields	Cloud base height
	Atmospheric pressure (over sea surface)
Cloud particle properties and profile	Cloud 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 temperature	Cloud imagery
	Cloud type
	Cloud cover
Liquid water and precipitation rate	Precipitation intensity at the surface (liquid or solid)
Radiation budget	Downward long-wave irradiance at Earth surface