Mosquito breeding site water temperature observations and simulations towards improved vector-borne disease models for Africa

Submitted: 23 June 2015
Accepted: 18 February 2016
Published: 31 March 2016
Abstract Views: 2628
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An energy budget model is developed to predict water temperature of typical mosquito larval developmental habitats. It assumes a homogeneous mixed water column driven by empirically derived fluxes. The model shows good agreement at both hourly and daily time scales with 10-min temporal resolution observed water temperatures, monitored between June and November 2013 within a peri-urban area of Kumasi, Ghana. There was a close match between larvae development times calculated using either the model-derived or observed water temperatures. The water temperature scheme represents a significant improvement over assuming the water temperature to be equal to air temperature. The energy budget model requires observed minimum and maximum temperatures, information that is generally available from weather stations. Our results show that hourly variations in water temperature are important for the simulation of aquatic-stage development times. By contrast, we found that larval development is insensitive to sub-hourly variations. Modelling suggests that in addition to water temperature, accurate estimation of degree-day development time is very important to correctly predict the larvae development times. The results highlight the potential of the model to predict water temperature of temporary bodies of surface water. Our study represents an important contribution towards the improvement of weatherdriven dynamical disease models, including those designed for malaria early forecasting systems.



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Supporting Agencies

EOA was generously funded by two International Centre of Theoretical Physics (ICTP) programmes, namely the Italian government's funds-in-trust programme and the ICTP PhD Sandwich Training and Educational Programme (STEP). The study was funded by two Europ
Ernest O. Asare, Department of Physics, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana; Abdus Salam International Centre for Theoretical Physics, Trieste
Department of physics, PhD student

How to Cite

Asare, E. O., Tompkins, A. M., Amekudzi, L. K., Ermert, V., & Redl, R. (2016). Mosquito breeding site water temperature observations and simulations towards improved vector-borne disease models for Africa. Geospatial Health, 11(s1).

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