Ad hoc instrumentation methods in ecological studies produce highly biased temperature measurements

In any region-spanning collaborative effort, using (as-much-as-possible) unbiased methods is of course desirable.

Check out the recent paper by Terando et al. It’s open access, available here: http://onlinelibrary.wiley.com/doi/10.1002/ece3.3499/epdf

They experimentally compared 11 different sensor brand and shield combinations to weather station data, and found that quite a few methods had a positive bias. It’s not something we haven’t known is a danger, but this is a nice way to standardize methods with some experimental backing behind it.

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