Community Blogs

Data Data Everywhere! #1: How to get the 'T' out! You may have noticed that the time format when you retrieve data from the GLOBE web site recently changed. The new format is YYYY-MM-DDTHH:MM:SS.   We would like to show a quick and easy way to go back to the time format MM/DD/YYYY HH:MM:SS. 1) Select the column that has the time format you want to change. 2) Copy the column to a new location on your spreadsheet; you do not want to manipulate the original column directly, to avoid losing data. 3) Make sure there is a blank column next to the column that you...

This week we are very excited to highlight the work of Ms. Jillian Anderson and her high school students at the Lexington School for the Deaf, in Queens, NY. Ever since they joined the U.S. GLOBE Air Quality Student Research Campaign, they have been going outside to make observations of the atmosphere every day! The students have been submitting both Clouds and Aerosol Optical Thickness observations and we want to thank them for their valuable contribution to science.   We encourage them to keep up their great work and we invite other schools to continue submitting...

Eight-grade students from Our Lady of Mount Carmel School have been very active during our GLOBE 2017-18 U.S. Air Quality Student Research Campaign. In fact, they recently submitted their team projects to the GLOBE 2018 International Virtual Science Symposium. All students have done remarkable work and one of the most important skills they have developed is collaboration. Among these students, one of them stood out for becoming a Calitoo expert user and for helping not only the members of her own team, but also the members of all other teams, with her accurate AOT measurements. This...

   Today we will get a closer at look at the values displayed on our Calitoo screen. When you first turn on your Calitoo, you will get a screen like the following: note the serial number of your instrument will be displayed.                After the initial screen, your instrument will display basic information as shown on the following picture (Source: http://www.calitoo.fr/uploads/documents/en/usermanual_2016_en.pdf) TIP: The temperature displayed by your Calitoo is actually the temperature inside the instrument. When you...

Today we start a series of posts devoted to providing information, tips, tricks and answers to frequently asked questions by Calitoo users! So, how do you measure Aerosol Optical Thickness (AOT) with a Calitoo? First and foremost: NEVER look directly at the sun! And…ONLY take measurements when the sun is not obstructed by clouds. TIP: Use your hand(s) to cover the sun; if you see any clouds on either side of your hand(s), do NOT take any measurements. Wait until the sun is not obstructed by clouds. Now, the Calitoo sun photometer measures AOT values at 465 nm, 540 nm and 619 nm. ...