Category Archives: Expedition Reports & Updates

Photos, videos & reports sent from the field.

The 2016 Cave Pearl Project ‘Year in Review’

We made great strides in 2016 with development of new calibration procedures and continued refinement of the housings & connectors for multi-sensor builds. At this point I’ve cobbled together more than 130 loggers for the Cave Pearl Project. While I still have a way to go before I … Continue reading

Posted in Expedition Reports & Updates | Leave a comment

Field Report 2016-07-09: I2C pressure sensors work on 20m cables!

With the term prep taking up everyone’s time, I almost forgot to post about the wonderful field season we had this summer.  We really covered the bases on this one: from surface loggers, to cave sensors, to new deployments out on the … Continue reading

Posted in Developing other sensors, Expedition Reports & Updates | Leave a comment

Field Report 2016-03-28: Oldest Generation of Loggers Retired

I know I said I was going to keep the ocean sensors in service till they croaked, but after more than two years of operation I’ve decided to retire the two beta units to our bookshelf museum. B3 & B4 were the last loggers in … Continue reading

Posted in Developing a Flow Sensor, Expedition Reports & Updates | Leave a comment

Field Report 2016-03-25: Monitoring in Coastal Mangroves

The unique geology of the Yucatan means that hydrologists like my wife typically study water flowing through the flooded cave systems.  But she also advises some of the many great archaeology projects in the area (The Maya had to get their drinking … Continue reading

Posted in Developing a Flow Sensor, Expedition Reports & Updates | Leave a comment

Field Report 2016-03-17: MCP9808 Fails Under Pressure

Then next day saw some routine logger replacements at our favorite coastal cave. It’s relatively shallow, making it a good place for a shakedown dive, and we have plenty of air time to develop funky new underwater deployment procedures for our little bots.  The fact that … Continue reading

Posted in Expedition Reports & Updates | Leave a comment

Field Report 2016-03-16: Rain Gauges Over Reporting

One of the first priorities was a trip out to Rio Secreto to service drip loggers. Data from the last season confirmed that all of the loggers are good for at least 6-8 months, so we now have the option of servicing … Continue reading

Posted in Developing other sensors, Expedition Reports & Updates | Leave a comment

Field Report 2015-12-20: Winding Down…

I know we are nearing the end of a fieldwork trip when we start to see the floor in our room again. By that point we are usually dog tired after several days of a routine that could be summarized as: … Continue reading

Posted in Expedition Reports & Updates | Leave a comment