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Data Collection and Analysis

MARSHALL staff is adept at acquiring data from public and private sources to support your project needs.

MARSHALL is also highly skilled at interactive modeling and land cover mapping using satellite and aerial imagery products. Our professional staff provides imagery analysis and related products. We can also serve this information to clients over the Internet, if desired.

Remotely Sensed Digital Data




MARSHALL Offers a Full Spectrum of Solutions

Recent events in the remote sensing field have made the acquisition of high spatial resolution digital data a reality for many users. However, this data is not a "magic bullet" solution for all projects and situations.

As a business partner with both Space Imaging and SPOT Image, MARSHALL can provide your organization with relatively inexpensive image products that are easy to integrate into an agency-wide GIS. Computer processing of this digital data gives professionals an inexpensive alternative to many projects that previously could be accomplished only through time consuming manual interpretation. MARSHALL'S years of experience can be a great resource to help you decipher the properties of remote-sensing technologies and the types of information that each data type is most suited for.

SPOT Image has just released their USA Select line of imagery. The USA Select line is a premier collection of current 10-meter panchromatic data collected from 1998 to the present. This data is sold on a per state basis. Pricing for the USA Select line of data has been significantly reduced, and the licensing options are very liberal. This data is an excellent option for many Base Mapping and Utility applications. It is suitable for anyone with an interest in a large area.

MARSHALL also offers Landsat Bite Size products through Space Imaging. If you have ever had to buy several Landsat scenes in order to cover an area of interest that is split by many scenes, this is the product that will solve that problem. These scenes are offered in bite-size 15 x 15 minute or 30 x 30 minute quadrangles, and the quads coincide with existing USGS map series conventions. The high spectral resolution, the large coverage area, and the huge archive make this an excellent product for projects involving Regional Change Detection, Regional Growth Management, Regional Land Cover Classification, Regional Vegetation Studies, and Regional Base Mapping.

When deciding which imagery to select for a particular project, many factors need to be taken into account. If the size of the features you need to identify dictates that a high level of spatial resolution is required, MARSHALL can provide IKONOS data in either 1-meter panchromatic or 4-meter multi-spectral. An in depth consultation with MARSHALL staff will enable you to determine the appropriate data type to use for your particular project.

In addition to helping you decide which data to purchase, MARSHALL can provide value-added imagery analysis and related products. We are highly skilled at interactive modeling and land cover mapping using Spot Image and Space Imaging products. We can even serve this information over the Internet, if desired.

While imagery alone is generally not a total solution, if used correctly, imagery can be a very powerful tool, able to meet a variety of needs and add value to your enterprise-wide GIS.

MARSHALL can help your organization tap into the full potential of this exciting and relatively inexpensive resource. To learn more please contact MARSHALL at (360) 352-1279.