Florida Sinkholes Mapping, Using ArcGIS 9.3

The news of the Karst sinkhole, that just occurred behind the home at 4926 Indian Deer Rd, in Windermere, Florida, got me thinking about the availability of sinkhole data in the state of Florida. Although it about one year out-of-date, I did manage to find some GIS data on Florida sinkholes. I created a basic static map, which can be viewed at http://www.the-hurds.net/GIS/Florida-Karst-Sinkholes/.

I am creating a time-lapse GIS map of the sinkholes of Florida, as well. I am using the temproal tools of ArcGIS 9.3 for this animation, which should be online within the day.

My first step was to get some earthquake data. I chose to use earthquake data from the US Geological Survey (USGS), that covered the previous 7 days, for earthquakes of 2.5 magnitude or higher. The link to this data is http://earthquake.usgs.gov/earthquakes/feed/csv/2.5/week

The next step was to convert the date and time field into a format that ArcGIS animation tools would work with. I decided on using the format, YYYYMMDDHHMMSS, as it would be relatively easy to create the formulas necessary to convert the USGS data into.

At some point early this week, I went onto the Axim and automatically started ArcPad, forgetting that I had “uninstalled” it. Lo and behold, not only had I not uninstalled it, but it worked correctly! So, I went ahead and installed GPSCorrect 2.30 and things still were working just as expected.

Yesterday, while at a site, I had been running ArcPad on the Axim with a low-budget Bluetooth GPS unit (GlobalSat BT-338) that I use to record tracks of traveling. Then, I went to use it, but the screen had dimmed, so I did my usual tap the center of the screen and ArcPad just disappeared! I ran the app again and got to my last save just fine, it had not saved the very last polyline, but up to that point had saved correctly.