Layer Descriptions

	Layer
	In-Situ SST Sea Surface Temperature as measured from moorings, other ocean platforms, and weather stations. This layer represents observations from many different data providers displayed seamlessly as a single map layer.
	10 meter standardized Wind This layer displays offshore wind measurements standardized to a height of 10 meters. Wind speed tends to increase with height above the surface. To compare wind observations from one location to another, it is useful to standardize the wind to a similar height. Winds measured offshore are easily corrected to the 10m standard set by the World Meteorological Office.
	Wind This layer displays surface wind speed and direction for many locations and platforms, such as sea buoys, ships, coastal stations, and airports. Merging many different sources of wind data into one display provides a unique perspective on local and regional wind patterns from land to shore to offshore.
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	Water Level This layer shows in-situ water level observations from different sources. Water level observations are reported in near real-time along with their vertical offsets to 3 common vertical datums: MSL, MLLW, and NAVD88.
	Surface Currents This layer displays near real time surface currents as measured from SEACOOS HF radars and moored ADCPs. In addition, drifter vectors from SEACOOS partner Horizon Marine appear as they drift through the SEACOOS observation footprint
	5 Day Drifter Trajectories This layer displays drifter position, direction, and previous track over a 5 day window. Drifter data is collected in real time from Horizon Marine drifters and drifters in the Global Drifter Program (via AOML)
	QuikSCAT Winds This layer shows wind as computed by remotely sensing the ocean's surface via satellite. QuikSCAT is a NASA satellite which has a SeaWinds scatterometer onboard that measures both the speed and direction of winds near the ocean surface. Remote sensing from satellites allows measurements to be made over large swaths of ocean at repeated time intervals.
	OI SST This layer is an operational, cloud-free, satellite SST product for the SEACOOS domain. Using Optimal Interpolation (OI) three types of satellite sea surface temperature (SST) data are merged to produce a cloud-free satellite SST field. Input data come from NOAA and NASA satellites and are compiled and processed daily by the USF Ocean Circulation Group and USF Institute for Marine Remote Sensing.
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	AVHRR SST This SST layer is estimated from infrared measurements collected by the Advanced Very High Resolution Radiometer aboard NOAA's series of polar orbiting satellites. Energy levels at the top of the atmosphere in the 10 - 11 micron range are fit statistically to in-water SST measurements to allow 1km resolution SST estimates to be made. These data are made available by the USF Institute for Marine Remote Sensing.
	MODIS SST This SST is derived from infrared measurements collected by the MODerate Resolution Imaging Spectroradiometers aboard NASA's polar orbiting Terra and Aqua satellites. Energy levels at the top of the atmosphere in the 10-11 micron range (daytime) and 3-4 micron range (nighttime) are fit statistically to in-water SST measurements to allow 1km resolution SST estimates to be made. The resolution and accuracy of MODIS data are among the best available to Earth scientists today. These data are made available by the USF Institute for Marine Remote Sensing.
	MODIS Enhanced RGB An enhanced true color image of the upper ocean waters and coastal zones, estimated from the ocean color measurements collected by the MODerate Resolution Imaging Spectroradiometers aboard NASA's polar orbiting Terra and Aqua satellites. The red, green, and blue channels are provided by the water-leaving radiance data at 1km resolution, namely 555nm (R), 490nm (G), 443nm (B). This layer is provided by the USF Institute for Marine Remote Sensing.
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	MODIS RGB High Resolution The approximate true color of the upper ocean waters, coastal zones, and land areas estimated from color measurements collected by the MODerate Resolution Imaging Spectroradiometers aboard NASA's polar orbiting Terra and Aqua satellites. Red, green, and blue channels are combined to represent what your eye would see in the ocean from this vantage point in space. The image, at approximately 250m resolution, uses radiance data at 645nm, 555nm, 469nm as the red, green, and blue channels, respectively. This layer is available for select coastal locations and is provided by USF Institute for Marine Remote Sensing.
	MODIS RGB Low Resolution The approximate true color of the upper ocean waters, estimated from the ocean color measurements collected by the MODerate Resolution Imaging Spectroradiometers aboard NASA's polar orbiting Terra and Aqua satellites. Red, green, and blue channels are combined to represent what your eye would see in the ocean from this vantage point in space. The image, at approximately 1km resolution, uses radiance data at 678nm, 551nm, and 443nm as the red, green, blue channels, respectively. These data are made available by the USF Institute for Marine Remote Sensing.
	Lat/Long Lines This layer contains latitudinal and longitudinal lines to clarify geographic location. Bathymetry contours (m) Depth contours of the sea floor in meters below the sea surface. Country and City names, Land outlines, Land Masses Background layers displaying continental outlines, major cities, and adjacent countries. These layers are designed to be active together. Opaque Legend Background This layer enables an opaque background for the map behind the legend and scalebar.
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