[Coral-List] CoralWatch coral stress measuring colour charts for Florida?

Justin Marshall justin.marshall at uq.edu.au
Tue Jul 31 19:27:18 EDT 2007


If anyone in on the Keys would like a CoralWatch kit to help monitor /
quantify what is going on there, let us know - info at coralwatch.org
If you can, send us your data but don't forget to inform reefbase also.
See www.coralwatch.org for more info.
Cheers - Justin



Prof Justin Marshall
Visual Ecology Lab.
Sensory Neurobiology Group
(formerly Vision Touch and Hearing Research Centre)
School of Biomedical Sciences
Queensland Brain Institute affiliate member
University of Queensland
St Lucia
Brisbane
Queensland 4072
AUSTRALIA

ph    -  +61 (0)7 33651397
fax   - +61 (0)7 33654522
mob - 0423 024162 (Prawns in Space, Deep Australia)

Vice President - Australian Coral Reef Society -
http://www.australiancoralreefsociety.org/
Marshall lab Website:
http://www.uq.edu.au/vthrc/ecovis
CoralWatch website:
www.coralwatch.org
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Today's Topics:

   1. Bleaching has begun in the Florida Keys (Mark Eakin)


----------------------------------------------------------------------

Message: 1
Date: Mon, 30 Jul 2007 11:59:52 -0400
From: Mark Eakin <Mark.Eakin at noaa.gov>
Subject: [Coral-List] Bleaching has begun in the Florida Keys
To: Coral Listserver <coral-list at coral.aoml.noaa.gov>
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Following on to the increased potential for bleaching that we  
reported two weeks ago, thermal stress has continued to increase in  
the lower Florida Keys.  This results from heating of the Florida Bay  
waters to an anomaly well over 1 degree C.  Another similar region of  
anomalous warmth extends along the western coast of the Bahamas from  
Andros Island to Grand Bahamas Island.  The Florida Bay waters that  
bathe the lower Florida Keys and the waters from northwestern Andros  
to Bimini have accumulated more than 4 degree weeks of warming,  
placing both areas under a Level 1 Bleaching Alert.

Late last week, Billy Causey reported about 10% bleaching of corals  
off West Summerland Key around the western side of Bahia Honda  
Channel on the ocean side of the bridge.  It was especially  
disturbing that the bleaching was hitting a diverse group of coral  
species, not just the more sensitive ones.

The automated Satellite Bleaching Alert from earlier today follows.

Please report any bleaching events (or non-events) at
http://www.reefbase.org/input/bleachingreport/index.asp


Coral Reef Watch Resources:
Experimental Florida Reef Tract page (http://coralreefwatch.noaa.gov/
satellite/current_exp/timeseries_floridakeys.html)
Google Earth data (http://coralreefwatch.noaa.gov/satellite/ge/
index.html)
Experimental Doldrums Product: http://coralreefwatch.noaa.gov/
satellite/doldrums_v2/

Our 24 index sites around the globe can be found at:
http://www.osdpd.noaa.gov/PSB/EPS/CB_indices/
coral_bleaching_indices.html

Current HotSpot and Degree Heating Week charts, HDF data, and
GoogleEarth products can be found at:
http://coralreefwatch.noaa.gov/satellite/index.html

NOAA's Integrated Coral Observing Network (ICON) for the Caribbean
http://ecoforecast.coral.noaa.gov/index/0//caribbean-home

Cheers,
Mark


======================================================================== 
==========
** [CRW Alert 20070730] Sombrero Reef: Bleaching Alert Level 1
======================================================================== 
==========

Satellite observations: 26 July 2007 - 30 July 2007
  -- Bleaching Degree Heating Weeks            :  4.5 Deg C-week
  -- Historical Maximum Degree Heating Weeks   :  9.2 Deg C-week (2005)
  -- Coral bleaching HotSpot                   :  1.3 Deg C
  -- Sea surface temperature                   : 30.6 Deg C
  -- Maximum Monthly Mean SST at site          : 29.3 Deg C

For more information, please visit the coral bleaching indices web site:
http://www.osdpd.noaa.gov/PSB/EPS/CB_indices/ 
coral_bleaching_indices.html

Previous Three Alerts for Sombrero Reef:
--07/11/2007 Bleaching Warning
--06/25/2007 Bleaching Watch
--10/07/2006 No Stress

SST Time Series:
http://coralreefwatch.noaa.gov/satellite/images/current/ 
SST_Sombreroreef.png

Reef site name:     Sombrero Reef
SST Pixel latitude:     25.0
SST Pixel longitude:   -81.5
Location map:
http://www.osdpd.noaa.gov/PSB/EPS/CB_indices/somb0map.htm



------------------------------------------------------------------------ 
------------------------
C. Mark Eakin, Ph.D.
Coordinator, NOAA Coral Reef Watch
National Oceanic and Atmospheric Administration
Center for Satellite Applications and Research
Satellite Oceanography & Climate Division
e-mail: mark.eakin at noaa.gov
url: coralreefwatch.noaa.gov

E/RA31, SSMC1, Room 5308
1335 East West Highway
Silver Spring, MD 20910-3226
301-713-2857 x109                   Fax: 301-713-3136




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