caa a22 4500 445819669 CHVBK 20180317145240.0 cr unu---uuuuu 170323e20110601xx s 000 0 eng 10.1007/s00338-011-0740-8 doi (NATIONALLICENCE)springer-10.1007/s00338-011-0740-8 Observations of the thermal environment on Red Sea platform reefs: a heat budget analysis [Elektronische Daten] [K. Davis, S. Lentz, J. Pineda, J. Farrar, V. Starczak, J. Churchill] Hydrographic measurements were collected on nine offshore reef platforms in the eastern Red Sea shelf region, north of Jeddah, Saudi Arabia. The data were analyzed for spatial and temporal patterns of temperature variation, and a simple heat budget analysis was performed with the goal of advancing our understanding of the physical processes that control temperature variability on the reef. In 2009 and 2010, temperature variability on Red Sea reef platforms was dominated by diurnal variability. The daily temperature range on the reefs, at times, exceeded 5°C—as large as the annual range of water temperature on the shelf. Additionally, our observations reveal the proximity of distinct thermal microclimates within the bounds of one reef platform. Circulation on the reef flat is largely wave driven. The greatest diurnal variation in water temperature occurs in the center of larger reef flats and on reefs protected from direct wave forcing, while smaller knolls or sites on the edges of the reef flat tend to experience less diurnal temperature variability. We found that both the temporal and spatial variability in water temperature on the reef platforms is well predicted by a heat budget model that includes the transfer of heat at the air-water interface and the advection of heat by currents flowing over the reef. Using this simple model, we predicted the temperature across three different reefs to within 0.4°C on the outer shelf using only information about bathymetry, surface heat flux, and offshore wave conditions. Springer-Verlag, 2011 Heat budget nationallicence Temperature variability nationallicence Red Sea nationallicence Platform reef nationallicence Reef circulation nationallicence Davis K. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut Lentz S. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut Pineda J. Biology Department, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut Farrar J. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut Starczak V. Biology Department, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut Churchill J. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut Coral Reefs Springer-Verlag 30(2011-06-01), 25-36 0722-4028 30<25 2011 30 338 https://doi.org/10.1007/s00338-011-0740-8 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00338-011-0740-8 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Davis K. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut NATIONALLICENCE 700 1- Lentz S. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut NATIONALLICENCE 700 1- Pineda J. Biology Department, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut NATIONALLICENCE 700 1- Farrar J. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut NATIONALLICENCE 700 1- Starczak V. Biology Department, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut NATIONALLICENCE 700 1- Churchill J. Department of Physical Oceanography, Woods Hole Oceanographic Institution, 02543, Woods Hole, MA, USA aut NATIONALLICENCE 773 0- Coral Reefs Springer-Verlag 30(2011-06-01), 25-36 0722-4028 30<25 2011 30 338 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer