The Pacific Marine Environmental Laboratory's (PMEL), Live Access Server enables the visualization and creation of marine climatologic data with on-the-fly graphics. The graphics are selected from custom subsets of variables in a choice of file formats. Some examples of the datasets are the Esbensen-Kushnir Heat Budget Climatology; Levitus (1982) Global Annual Climatology of Dissolved Oxygen, Oxygen Saturation, Salinity, and Temperature; Richardson's Ship-Drift Derived Surface Currents; and Weekly National Centers for Environmental Prediction (NCEP), Sea Surface Temperature. Background reference materials about the data, metadata, are accessible by selecting the i symbol next to the dataset titles. Data served by LAS are inherently multi-dimensional. This means that the data are defined on a grid with axes corresponding to X, longitude; Y, latitude; Z, depth or height; and T, time. A unique feature of this server is that it allows the user to decide how the data is sliced up into different views. A list of all possible views is created each time a variable is selected and a particular view can be selected from a dropdown box. There are map selection tools which allow specification of the time and depth in the interface and the range or point on the globe of interest. These selections will define a region to be used in generation of the output plot or data file. Once a region has been defined, it will be preserved as other data is selected which contain the view axes. This makes it easy to generate graphics or data files that allow the comparison of data sets. Links are provided to PMEL's home page, and PMEL's Ferret Data Visualization and Analysis main page.
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