Phenology

Phenology is the study of inter-annual biotic cycles. Phenological processes in plants are driven mainly by climate. In turn, plant phenology affects cycling of energy, water, and nutrients, as well as seasonal animal behavior. The terraPulse suite of phenology datasets are derived from time-serial measurements of the Normalized Difference Vegetation Index (NDVI) in each pixel. To improve representation in temperate, boreal, and arctic regions, data can be masked for snow upon request.

Phenology

Figure 7. The terraView dashboard showing terraPulse Phenology Start of Season (day of year) over an agricultural region in southern Idaho, USA and historical NDVI of an alfalfa field at the pinned location in the time-series chart. Corresponding to crop establishment, the pinned location shows SOS on day 111 (April 21) in 2020.

Figure 8. The terraView dashboard showing terraPulse Phenology Start of Season (day of year) over an agricultural region in southern Idaho, USA and historical NDVI of an alfalfa field at the pinned location in the time-series chart. Corresponding to crop establishment, the pinned location shows SOS on day 111 (April 21) in 2020.

Standard Layers

Latency:

previous year

Scale:

Spatial: 30-m resolution, global extentextent
Temporal: annual resolution from 1984 – present

Source:

terraPulse

Latency:

previous year

Latency:

previous year

Scale:

Spatial: 30-m resolution, global extentextent
Temporal: annual resolution from 1984 – present

Source:

terraPulse

Latency:

previous year

Latency:

previous year

Scale:

Spatial: 30-m resolution, global extentextent
Temporal: annual resolution from 1984 – present

Source:

terraPulse

Latency:

previous year