March 21st, 2019

Phytoplankton & Chlorophyll

Scientists study phytoplankton due to their positive and negative influences on the natural world, on today's sensor whiteboard, we discuss the ways that phytoplankton is measured as well as cyanobacteria.

March 14th, 2019

Lake Turnover

Thermal stratification and seasonal mixing are part of a lake's turnover. This event can be monitored using data buoys and temperature strings for a quick look at how a lake changes seasonally and to be on the look out for changes.

February 28th, 2019

Solar Radiation

Solar radiation is radiant (electromagnetic) energy measured using a photosynthetically active radiation (PAR) sensors that measure upwelling and downwelling solar radiation.

February 21st, 2019

Lake Stratification

This week on the sensor whiteboard we discuss lake stratification and the methods that scientists employ to monitor these divisions.

February 14th, 2019

Ocean Acidification

Of the many threats our oceans face, the problem of acidification is continuing to be monitored. There are many factors contributing to this issue and scientists are working to remedy the problem.

January 10th, 2019


Turbidity measurements are often used as an indicator of water quality based on clarity and estimated total suspended solids in water.

December 27th, 2018


pH is a measure of the acidity or alkalinity of a solution and is defined as the negative logarithm of the Hydrogen ion and is an important parameter to monitor in water quality measurements.

December 21st, 2018

Dissolved Oxygen

Dissolved oxygen is an important parameter in assessing water quality because of its influence on the organisms living within a body of water.