Archive for the ‘Light Measurement’ Category 
Daily Light Integral (DLI) measurement using LI-COR Light Sensors
Tuesday, January 8th, 2013
Definition of DLI The daily light integral (DLI) is a measure of the amount of light received in a single day in a particular area. For example, the number of moles of Photosynthetically Active Radiation (PAR) photons received during a single day in a square meter, or: mol m-2 d-1. Another example is the total…
Read More...Tags: LI-190, LI-192, LI-193, LI-200, radiation
Posted in LI-1400, LI-190, LI-191, LI-192, LI-193, LI-200, Light Measurement, Tech Tips | No Comments »
Pyranometer Calibration Season
Tuesday, September 4th, 2012
The LI-200 Pyranometer Calibration schedule will be reaching its annual suspension on October 1st, 2012 and continuing through until February 28th, 2013. LI-COR encourages our customers to return their LI-200 Pyranometer Sensors for recalibration (suggested every 2 years after field deployment) between the months of March and September. Why? Because pyranometer sensors need to be…
Read More...Tags: calibration
Posted in LI-200, Light Measurement | No Comments »
A Day in the Life of a Sea Ice Ecologist
Wednesday, July 13th, 2011
Dr. Lars Chresten Lund-Hansen, sea ice ecologist at Aarhus University in Denmark, recently completed a field campaign in which he and his team collected data and cores from sea ice. The photos below present a day’s work sampling the sea ice near Kangerlussuaq, West Greenland. Read more about this research… At the first look, not…
Read More...Tags: LI-192, quantum
Posted in Feature Stories, Light Measurement | No Comments »
Exploring the Black (and Blue) Holes of the Bahamas
Tuesday, March 1st, 2011
On the central and western side of the island of South Andros in the Bahamas, one can find a series of cavern systems formed in the limestone rock platforms that comprise most of the islands. These submerged cave systems are commonly referred to as Blue or Black Holes. Blue Holes are horizontal caves, often with…
Read More...Tags: LI-193, light measurement, quantum
Posted in Feature Stories, LI-193, Light Measurement, Photosynthesis | 1 Comment »
Turn Ons and Turn Offs
Monday, October 5th, 2009
The LI-1400 Datalogger is often used for collecting environmental data using a variety of LI-COR Biosciences sensors. These include the LI-190 Quantum Sensor, the LI-192 Underwater Quantum Sensor, the LI-193 Spherical Quantum Sensor, and the LI-200 Pyranometer, among others. You can either program their LI-1400 to collect data automatically or set it up to collect…
Read More...Tags: Datalogger, LI-1400, LI-190, LI-193, LI-200, pyranometer, sensor
Posted in LI-1400, LI-190, LI-193, LI-200, Light Measurement, Tech Tips | 2 Comments »
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