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Description

The primary sensor aboard the PACE spacecraft is the Ocean Color Instrument (OCI). It is a highly advanced optical spectrometer that will be used to measure properties of light over portions of the electromagnetic spectrum. It will enable continuous measurement of light at finer wavelength resolution than previous NASA satellite sensors, extending key system ocean color data records for climate studies. The Ocean Biology DAAC produces near real-time (quicklook) products using the best-available combination of ancillary data from meteorological and ozone data. As such, the inputs and the calibration used are less than optimal. Quicklook products provide a snapshot of the data during a short time period within a single orbit.

Version Description

Reprocessing of Ocean Color (OC) Datasets

Product Summary

Platforms
PACE
Instruments
OCI
Spatial Extent

N: 90 S: -90 E: 180 W: -180

Geographic Region
GLOBAL OCEAN
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
2024-03-05 to Present
Data Partner
Ocean Biology Processing Group (OBPG) ,
Ocean Biology Distributed Active Archive Center (OB.DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA (NASA/GSFC/SED/ESD/GCDC/OB.DAAC)
Concept ID
C3620140267-OB_CLOUD
Data State
ACTIVE
Number of Files/Granules
501
Processing Level
3
Published
Updated
Science Keywords
Cloud Properties

Documents

Variables

Variables are a set of physical properties whose values determine the characteristics or behavior of something. For example, temperature and pressure are variables of the atmosphere. Parameters and variables can be used interchangeably. Variable level attributes provide individual information for each variable.

The Name in this table is the variable name. Fill value indicates missing or undefined data points in a variable. Valid range is the range of values the variable can store. Scale factor is used to increase or decrease the size of an object and can be used to correct for distortion. For questions on a specific variable, please use the Earthdata Forum.

Name Description Units Data Type Fill Value Valid Range Scale Factor
cer_16 Cloud Particle Effective Radius two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_16_ice Ice Cloud Particle Effective Radius two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_16_water Water Cloud Particle Effective Radius two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_21 Cloud Particle Effective Radius two-channel retrieval using the 2.1 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_21_ice Ice Cloud Particle Effective Radius two-channel retrieval using the 2.1 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_21_water Water Cloud Particle Effective Radius two-channel retrieval using the 2.1 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_22 Cloud Particle Effective Radius two-channel retrieval using the 2.2 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_22_ice Ice Cloud Particle Effective Radius two-channel retrieval using the 2.2 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cer_22_water Water Cloud Particle Effective Radius two-channel retrieval using the 2.2 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) micron float32 -32767 2 to 60 N/A
cloud_fraction cloud fraction Dimensionless float32 -32767 0 to 1 N/A
cot_16 Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_16_ice Ice Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_16_water Water Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_21 Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_21_ice Ice Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_21_water Water Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_22 Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_22_ice Ice Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cot_22_water Water Cloud Optical Thickness at 670 nm two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) none float32 -32767 0.050000000745058 to 159 N/A
cth Height at the cloud top kilometers float32 -32767 0 to 30 N/A
cth_alb Best surface albedo made by cloud top height algorithm Dimensionless float32 -32767 0 to 2 N/A
cth_alb_ice Best surface albedo made by ice cloud top height algorithm Dimensionless float32 -32767 0 to 2 N/A
cth_alb_water Best surface albedo made by water cloud top height algorithm Dimensionless float32 -32767 0 to 2 N/A
cth_cot Cloud optical thickness at 760 nm from cloud top height algorithm" Dimensionless float32 -32767 0 to 500 N/A
cth_cot_ice Ice Cloud optical thickness at 760 nm from cloud top height algorithm" Dimensionless float32 -32767 0 to 500 N/A
cth_cot_water Water Cloud optical thickness at 760 nm from cloud top height algorithm" Dimensionless float32 -32767 0 to 500 N/A
cth_ice Height at the ice cloud top kilometers float32 -32767 0 to 30 N/A
cth_water Height at the water cloud top kilometers float32 -32767 0 to 30 N/A
ctp Air pressure at the cloud top mbar float32 -32767 50 to 1100 N/A
ctp_ice Air pressure at the ice cloud top mbar float32 -32767 50 to 1100 N/A
ctp_water Air pressure at the water cloud top mbar float32 -32767 50 to 1100 N/A
ctt Air temperature at the cloud top degree K float32 -32767 100 to 350 N/A
ctt_ice Air temperature at the ice cloud top degree K float32 -32767 100 to 350 N/A
ctt_water Air temperature at the water cloud top degree K float32 -32767 100 to 350 N/A
cwp_16 Cloud Column Water Path two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_16_ice Ice Cloud Column Water Path two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_16_water Water Cloud Column Water Path two-channel retrieval using the 1.6 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_21 Cloud Column Water Path two-channel retrieval using the 2.1 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_21_ice Ice Cloud Column Water Path two-channel retrieval using the 2.1 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_21_water Water Cloud Column Water Path two-channel retrieval using the 2.1 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_22 Cloud Column Water Path two-channel retrieval using the 2.2 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_22_ice Ice Cloud Column Water Path two-channel retrieval using the 2.2 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
cwp_22_water Water Cloud Column Water Path two-channel retrieval using the 2.2 um band and either the 0.65 um, 0.86 um, or 1.2 um band (specified in cld_non_abs_band) g/m^2 float32 -32767 0.10000000149012 to 500 N/A
ice_cloud_fraction Ice cloud fractional amount. range 0. - 1. N/A float32 -32767 0 to 1 N/A
lat Latitude degrees_north float32 -999 -90 to 90 N/A
lon Longitude degrees_east float32 -999 -180 to 180 N/A
water_cloud_fraction Water cloud fractional amount. range 0. - 1. N/A float32 -32767 0 to 1 N/A
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