Environmental data, viewable.

EnviroViewer hosts a growing collection of interactive tools for browsing, visualizing, and downloading environmental datasets. Pick a tool below to get started.

Image Scroller

Scroll through satellite imagery over time using Google Earth Engine. Pan, zoom, and scrub through years of environmental change.

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Tide Viewer

Browse NOAA tide gauge stations on an interactive map and download water-level data referenced to Mean Sea Level (MSL).

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River Viewer

Browse USGS stream gauge stations on an interactive map and view discharge hydrographs and gage height data.

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EnviroViewer

Find satellite images captured at specific tidal conditions. Cross-references NOAA tide data with satellite overpass times.

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Map Maker

Draw polygons, polylines, circles, and freehand shapes on an interactive map. Customize colors, fills, and export as GeoJSON.

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Pool Labeler

Help grade automatic water extractions of salt-marsh pools in historical aerial imagery. One key per pool; labels feed a quality check and a training set for a better pool water model. Works on phones too: swipe right for good, left for a problem.

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Pool Viewer alpha

Summer Landsat MNDWI time series, trends, breakpoints and change points for individual salt-marsh pools in Massachusetts, served from the MassMarsh server exports instead of Google Earth Engine. Select marsh units, then click pools to chart them.

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MassMarsh Viewer alpha

The MassMarsh Remote Sensing Portal rebuilt on the MassMarsh servers: Marsh Assessment and Restoration Efficacy reports, Pool, Ditch, Raster (Inspector and Creator), Comprehensive, UVVR, LiDAR and Historical Imagery viewers for Massachusetts salt marsh, with no Google Earth Engine dependency.

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