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  • #: 141437
  • Price: free ($0.00) In Apple Store
  • Category: Productivity
  • Updated: 2014-02-04
  • Current Version: 1.2.1
  • 1.2.1
  • Size: 1.60 MB
  • Language: English
  • Seller: Mark Hansen
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.2 or later.
  • © 2010 USGS
  •  Add to Favorite apps



CO2calc is an user-friendly, stand-alone application for the calculation of water carbonate system parameters, developed by the U.S. Geological Survey, Florida Shelf Ecosystems Response to Climate Change Project in response to its Ocean Acidifiation Task. The application is intended as a follow-on to CO2SYS, originally developed by Lewis and Wallace (1998) and later modified for Microsoft Excel by Denis Pierrot (Pierrot and others, 2006). While CO2calc expands on the functionality of CO2SYS, much of the code of the latter program was adopted with minimal changes to ensure back-compatibility. CO2calc offers several improvements on CO2SYS, including:

•An improved graphical user interface for data entry and results

•Additional calculations of air-sea CO2 fluxes (for surface water calculations)

•The ability to tag data with sample name, comments, date, time, and latitude/longitude

•The ability to use the system time and date and latitude/longitude (automatic retrieval of latitude and longitude available on iPhone 3, 3GS

•An option to save and email sample information, data input, and calculated results as a comma-separated value (CSV) file for use with Microsoft Excel, ArcGIS, or other applications

For questions about the original CO2SYS, the user is referred to the CO2SYS documentation at http://cdiac.ornl.gov/oceans/co2rprt.html#aboutco2sys. For specific information regarding the Excel VBA code of Pierrot and others (2006), contact dpierrot@rsmas.miami.edu or denis.pierrot@noaa.gov.

What's New in Version 1.2.1

Minor bugs fixed.

iPhone Screenshots

CO2calc iPhone Screenshot 1
CO2calc iPhone Screenshot 2
CO2calc iPhone Screenshot 3
CO2calc iPhone Screenshot 4
CO2calc iPhone Screenshot 5

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The information may be outdated (2017-03-08 00:49:32). For actual information go to iTunes

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