2022 Early Hearing Detection & Intervention Virtual Conference

March 13 - 15, 2022

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5/25/2021  |   2:00 PM - 3:30 PM   |  Timing is everything, but are we using the right clock? Temperature sensors measure precise inundation timing of temporary ponds   |  Virtual Platform

Timing is everything, but are we using the right clock? Temperature sensors measure precise inundation timing of temporary ponds

Regime-based approaches have long aided our understanding of streamflow dynamics, a well-known environmental filter of aquatic organisms. The timing of streamflow events is a key determinant of the ways in which flow regimes structure communities and populations of lotic biota. A regime-based approach may aid in our understanding of temporary lentic systems as well, where the hydroperiod, or the amount of time a pond holds water, plays a critical role in population and community dynamics. Yet, fine-scale temporal dynamics of hydroperiod – particularly the intra and inter-annual variability in pond inundation date, duration, and frequency of inundation – is often poorly understood. We present results from an inundation timing monitoring effort for a network of temporary ponds (N=16) in southern Arizona, USA. Using daily temperature variance collected from temperature loggers and analyzed using Hidden Markov Models, we identified clear wet and dry states of ponds and were able to identify inundation dates with high precision. Our results support the use of temperature sensors in collecting fine-scale inundation timing data and aiding in regime-based classification of temporary ponds.

  • Ecohydrology
  • Habitat
  • Climate change

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Presenters/Authors

Kerry Gendreau (), Virginia Tech, kerryg@vt.edu;


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Valerie Buxton (), Virginia Tech, valbux@gmail.com;


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Chloe Moore (), Virginia Tech, chloe9mo@vt.edu;


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Meryl C. Mims (), Virginia Tech, mims@vt.edu;


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