NASA-CCM Partnership — Four Decades of Change

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Mode

Timeline — click to jump to a year · drag the end dots to limit the span

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GROWING-SEASON RECORD

Live analysis apps Google Earth Engine · project nasa‑ccm

Change maps RAP cover 1986–2025

Species composition CCM Module 13 v3.4 · EMIT + EnMAP imaging spectroscopy, 10 m · summer 2026 · delivered 2 October 2026

Species composition — plant community map, summer 2026 — Species composition — plant community map, summer 2026
Largest live vegetation class at 5 % cover or more, else the substrate class; 48 classes keyed; 10 m.
PDF · SVG · GeoTIFF

Uncertainty propagation — total sigma, summer 2026 — Uncertainty propagation — total sigma, summer 2026
Root-sum-square of the class sigmas in twelve equal-area bands; darker = less certain.
PDF · SVG · GeoTIFF

Sagebrush vs. juniper — shrub–conifer balance, summer 2026 — Sagebrush vs. juniper — shrub–conifer balance, summer 2026
Seven classes at 5 % and 15 % cover; purple = both present, the encroachment front.
PDF · SVG · GeoTIFF

Sagebrush vs. juniper dynamics — 2024–2026 — Sagebrush vs. juniper dynamics — 2024–2026
Fourteen trajectory classes across autumn 2024, summer 2025, spring 2026 and summer 2026.
PDF · SVG · GeoTIFF

Quantified change acres by component and ownership

Atlas: Evidence · Decision · Method — Validated against the 11–12 Aug 2026 field campaign: composition error 19.8 pp over 23 class–site pairs.