Forest and Fields, July 18, 2016

Tagged by: PlanetScope

Dove Imagery Used for Bathymetric Mapping

Paper

Satellite-derived bathymetry has numerous applications, including enhanced mapping and classification of bathymetric features such as coral reefs and seagrass meadows, as well as use in maritime navigation and coastline infrastructure. Dimitris Poursanidis from the Foundation for Research and Technology in Hellas, with colleagues from the German Aerospace Centre, used Planet’s Dove images […]

Mapping Landslide Susceptibility in Dove Imagery after the 2018 Tomakomai Earthquake

Paper

Globally, landslides kill ~5,000 people per year. If landslides—including rock falls, mudslides and other surface failures—can be better predicted, these deaths could be avoided. Landslides are highly heterogeneous, both spatially and temporally. They are more common in the steep, mountainous regions of the Earth, but also more frequent during particular seasons due […]

Semi-arid Rangeland Phenology Revealed with the Planet Dove Constellation

Paper

Temporal resolution is one of four axes by which one may judge the value of a remote sensing data source. Unlike spatial, spectral and radiometric resolution, temporal resolution can be used to decompose the day-to-day dynamics of ecosystems, revealing their phenology—the natural processes by which ecosystems (particularly vegetation) change over time. A […]

River Morphology Dynamics Revealed with Dove Imagery

Paper

The movement of river sediment influences many aspects of land management, including water quality and the life cycle of dams and other impoundments. Hydrologists will benefit from improved methodologies to track river sediment flow and geomorphological evolution of the river channel. Robert Strick, from the University of Brighton, and colleagues used a […]

Sub-daily Dove Imagery Used to Measure River Velocity

Paper

If it were possible, a stationary observer in sun synchronous orbit would see one Planet Dove satellite rocket past every ~90 seconds. At polar latitudes, the relative speed of Earth’s rotation is much lower, like the inside tracks of a vinyl record. As a result, Planet often collects multiple images of the […]

Convolutional Neural Networks used to Detect and Classify Ships in Dove Imagery

Paper

With daily imagery over ports and coastlines, one of the most useful potential applications of Planet’s Dove imagery is the detection and classification of maritime vessels. Ship tracking has a vital role in security, but the enormous number of ships at sea at any given time limits the effectiveness of classical, human-powered […]

Sowing Date Detection with the Planet Dove Constellation

Paper

The date of sowing (or planting) of an agricultural field has an enormous influence over crop health and yield. With climate change, in many cases alteration of sowing dates may be critical for adapting to changing temperature and precipitation. Sowing too early can increase the risk of frost damage, while sowing too […]

High Spatiotemporal Retrievals of Crop-Water Use for Precision Agriculture

Paper

Global agriculture implicates roughly ¾ of all freshwater use on Earth. With demand on the global food supply increasing with population growth, and agricultural systems falling under greater stress due to climate change, water security is under increased risk. Remote sensing of evapotranspiration—the amount of water evaporated off, or transpired by vegetation—offers […]

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