Transcript MODIS Land Overview

Kirsten de Beurs
MODIS
The MODerate-resolution
Imaging Spectroradiometer
(MODIS )
Lab 1:
Introduction to MODIS + MODIS lab exercise
Kirsten M. de Beurs, Ph.D.
Assistant Professor of Geography
Center for Environmental and Applied Remote Sensing (CEARS)
Virginia Polytechnic Institute and State University
[email protected]
http://www.mapseasons.net
Madison LSP Workshop: 08 APR 2008
Terra Launch on December 18,1999
Aqua Launch on May 4, 2002
Terra Launch: Dec. 18, 1999
First Image: Feb. 24, 2000
Aqua Launch: May 04, 2002
First Image: June 24, 2002
Land Algorithm Dependency
Input Data
Previous Period’s
Calibrated Radiance Geolocation Fields
Cloud Mask Aerosol
Precipitable Water DAO Data
BRDF/Albedo
Land Surface Temp./Emissivity
Land Cover
L2/L2G Products
Snow/Sea-Ice Cover Surface Reflectance Fire
Land Surface Temp./Emissivity
Grid Pointer Data Grid Angular Data
Previous
L3/L4 Products
L3/L4 Products
Snow/Sea-ice Cover Surface Reflectance Land Surface Temp./Emissivity
Fire and Burned Areas Vegetation Indexes BRDF/Albedo
LAI/FPAR GPP/NPP Land Cover and Vegetation Dynamics
Vegetation Cover Change and Continuous Fields Evaporation
Level 2G, 3 and 4 Products
Sinusoidal
• Level 2G/3: earthgridded geophysical
parameters
• Level 4: earth-gridded
model outputs
• Daily, 8-day, 16-day,
32-day, monthly and
yearly products
• 10º x 10º Tiles ( )
• Sinusoidal
(equatorial);
7.5, 15 and 30 arcsec.
resolution (roughly
250m, 500m and 1 km)
• LAEA (sea-ice
products, polar
projection)
Lambert Azimuthal Equal Area (LAEA)
MODIS Land Product Overview
(1/3)
Radiation Budget
Variables
– Surface
Reflectance
– Surface
Temperature
and Emissivity
– Snow and Ice
Cover
– BRDF and
Albedo
MODIS Land Product Overview
(2/3)
Ecosystem Variables
– Vegetation Indices
– Leaf Area Index
(LAI) and
Fractional
Photosynthetically
Active Radiation
(FPAR)
– Vegetation
Production
– Net Primary
Productivity (NPP)
MODIS Land Product Overview
(3/3)
Land Cover
Characteristic
– Fire and
Thermal
Anomalies
– Land Cover
– Vegetation
Cover
Conversion
CURRENT MODIS PRODUCTS
MOD01 Level-1A Radiance Counts
MOD02 Level-1B Calibrated Relocated Radiances
MOD03 Relocation Data Set
MOD04 Aerosol Product
MOD05 Total Precipitable Water
MOD06 Cloud Product
MOD07 Atmospheric profiles
MOD08 Gridded Atmospheric Product (Level-3)
MOD09 Atmospherically-corrected Surface
Reflectance
MOD10 Snow Cover
MOD11 Land Surface Temperature & Emissivity
MOD12 Land Cover/Land Cover Change
MOD13 Vegetation Indices
MOD14 Thermal Anomalies, Fires & Biomass Burning
MOD15 Leaf Area Index & FPAR
MOD16 Surface Resistance & Evapotranspiration
MOD17 Vegetation Production, Net Primary
Productivity
MOD18 Normalized Water-leaving Radiance
MOD19 Pigment Concentration
MOD20 Chlorophyll Fluorescence
MOD21 Chlorophyll_a Pigment Concentration
MOD22 Photosynthetically Active Radiation (PAR)
MOD23
MOD24
MOD25
MOD26
MOD27
MOD28
MOD29
MOD31
MOD32
Suspended-Solids Conc, Ocean Water
Organic Matter Concentration
Coccolith Concentration
Ocean Water Attenuation Coefficient
Ocean Primary Productivity
Sea Surface Temperature
Sea Ice Cover
Phycoerythrin Concentration
Processing Framework & Match-up
Database
MOD35 Cloud Mask
MOD36 Total Absorption Coefficient
MOD37 Ocean Aerosol Properties
MOD39 Clear Water Epsilon
MOD43 Albedo 16-day L3
MOD44 Vegetation Cover Conversion
MODISALB Snow and Sea Ice Albedo