MISR Level 3 Global Joint Aerosol monthly product V002

MIL3MJTA_2 is the Multi-angle Imaging SpectroRadiometer (MISR) Level 3 Global Joint Aerosol monthly version 2 data product. It contains global statistical summaries of MISR Level 2 aerosol optical depth on a 5-degree geographic grid. Within each grid cell, optical depth is summarized by a set of representative vectors, each representing a cluster of similar Level 2 aerosol optical depth retrievals. Data is summarized monthly. Data collection for this product is ongoing.

The MISR instrument consists of nine push-broom cameras that measure radiance in four spectral bands. Global coverage is achieved in nine days. The cameras are arranged with one camera pointing toward the nadir, four forward, and four aftward. It takes seven minutes for all nine cameras to view the same surface location. The view angles relative to the surface reference ellipsoid are 0, 26.1, 45.6, 60.0, and 70.5 degrees. The spectral band shapes are nominally Gaussian, centered at 443, 555, 670, and 865 nm.

MISR is designed to view Earth with cameras pointed in 9 different directions. As the instrument flies overhead, each piece of Earth's surface below is successively imaged by all nine cameras in 4 wavelengths (blue, green, red, and near-infrared). The goal of MISR is to improve our understanding of the effects of sunlight on Earth and distinguish different types of clouds, particles and surfaces. Specifically, MISR monitors the monthly, seasonal, and long-term trends in three areas: 1) amount and type of atmospheric particles (aerosols), including those formed by natural sources and by human activities; 2) amounts, types, and heights of clouds, and 3) distribution of land surface cover, including vegetation canopy structure.

Data and Resources

Additional Info

Field	Value
Maintainer	Earthdata Forum
Last Updated	August 25, 2026, 08:50 (UTC)
Created	April 1, 2025, 17:27 (UTC)
accessLevel	public
bureauCode	{026:00}
catalog_conformsTo	https://project-open-data.cio.gov/v1.1/schema
harvest_object_id	8f3fba62-14e1-4b32-82f3-ab02be911812
harvest_source_id	b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title	Science Discovery Engine
identifier	10.5067/TERRA/MISR/MIL3MJTA.002
license	https://www.usa.gov/government-works
modified	2026-08-17T22:16:01Z
programCode	{026:000}
publisher	NASA/JPL/MISR;NASA/LARC/SD/ASDC
resource-type	Dataset
source_datajson_identifier	true
source_hash	b9eecffaa8d775f79c642ba99838615e6a9d66e64dd2e056ee9cc8db3d4a6f3c
source_schema_version	1.1
spatial	["CARTESIAN", [{"WestBoundingCoordinate": -180, "NorthBoundingCoordinate": 90, "EastBoundingCoordinate": 180, "SouthBoundingCoordinate": -90}]]
temporal	2000-03-01/2026-08-17
theme	{"Earth Science"}