ASDC | CAL_LID_L2_333mCLay-ValStage1-V3-41

CALIPSO Level 2

Entry Title: CALIPSO Lidar Level 2 1/3 km Cloud Layer, Validated Stage 1 V3-41

Entry ID: CAL_LID_L2_333mCLay-ValStage1-V3-41

Clouds

Description

CAL_LID_L2_333mCLay-ValStage1-V3-41 is the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) Lidar Level 2 1/3 km Cloud Layer, Validated Stage 1 Version 3-41 data product. Data for this product was collected using the CALIPSO Cloud-Aerosol Lidar with Orthogonal Polarization (CALIOP) instrument. The version of this product was changed from 3-40 to 3-41 to account for a change in the operating system of the CALIPSO production cluster.

Within the Lidar Cloud Layer Product there are two general classes of data: Column Properties (including position data and viewing geometry) and Layer Properties. The lidar layer products consist of a sequence of column descriptors, each one of which is associated with a variable number of layer descriptors. The column descriptors specify the temporal and geo-physical location of the column of the atmosphere through which a given lidar pulse travels. Also included in the column descriptors are indicators of surface lighting conditions, information about the surface type, and the number of features (e.g., cloud and/or aerosol layers) identified within the column. For each feature within a column, a set of layer descriptors is reported. The layer descriptors provide information about the spatial and optical characteristics of a feature, such as base and top altitudes, integrated attenuated backscatter, and optical depth.

CALIPSO was launched on April 28, 2006 to study the impact of clouds and aerosols on the Earth's radiation budget and climate. It flies in the international A-Train constellation for coincident Earth observations. The CALIPSO satellite comprises three instruments, CALIOP, Imaging Infrared Radiometer (IIR), and Wide Field Camera (WFC). CALIPSO is a joint satellite mission between NASA and the French Agency, CNES.

DOI

10.5067/CALIOP/CALIPSO/CAL_LID_L2_333mCLay-ValStage1-V3-41

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DATA CITATION POLICY

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GENERAL DOCUMENTATION

ASDC Data and Information for CALIPSO

PRODUCT QUALITY ASSESSMENT

CALIPSO Quality Statements Lidar Level 2 Cloud and Aerosol Layer Products Version Releases: 3.01, 3.02, 3.3

USER'S GUIDE

CALIPSO User's Guide

From GCMD Science Keywords:

CLOUD MIDLAYER TEMPERATURE > CLOUD PROPERTIES
LIDAR DEPOLARIZATION RATIO
CLOUD BASE HEIGHT > CLOUD PROPERTIES

Data Distribution

File Format(s):

HDF4

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Spatial Information

Spatial Coverage: (-90, -81.842860253), (-180, -180)
Spatial Coverage Type: Horizontal
Coordinate System: Cartesian
Granule Spatial Representation: Cartesian

Locations

GLOBAL

Temporal Information

Temporal Coverage: 2020-10-01 - Present

Platforms

Earth Observation Satellites

CALIPSO

Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations

CALIOP

Cloud-Aerosol Lidar with Orthogonal Polarization

Metadata Dates

Created on 2020-09-19

Last updated on 2022-05-14