NASA MODIS Vegetation Continuous Fields MOD44B Product User Guide

About this manual

This user guide describes the NASA MODIS Vegetation Continuous Fields product, MOD44B Collection 6, version 1. It explains how the VCF product represents global land surface as percentages of tree cover, non-tree vegetation, and non-vegetated ground, stored in separate data layers.

The document covers the product algorithm, training data and inputs, file naming, seven science data sets, quality and cloud layers, results, validation, and how to access and cite the data. It was prepared by University of Maryland researchers.

What's inside

• Algorithm
• Training Data
• Data Inputs
• Data Algorithm
• File Naming Convention
• Data Layers
• Percent tree cover
• Quality
• Validation
• Accessing and citing the data

Specifications

Frequently asked questions

What is the product ID for the MODIS Vegetation Continuous Fields product?

The product is called MOD44B.

What file format does the MOD44B product use?

It is produced in HDF-EOS file format with internal compression.

How many science data sets are in the Collection 6 MOD44B product?

There are seven science data sets (SDSs).

What does the percent tree cover layer describe?

It describes the percent of each pixel covered by tree canopy.