an assessment of ensemble imagery products for ......ensemble imagery products pixel color imagery...
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NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
Katherine Derner NOAA/NOS Center for Operational Oceanographic Products & Services
co-authors: Karen Kavanaugh & Michelle Tomlinson November 16, 2015
Refining Karenia brevis Detection: An Assessment of Ensemble Imagery Products
for Operational Forecasting
http://tidesandcurrents.noaa.gov/hab
NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
Chlorophyll Anomaly Imagery
September 22, 2001
= September 22, 2001
Current Day Anomaly 60-Day Mean
July 10 – Sept 8, 2001
New Blooms
Current Day chl
• SeaWiFs (2000-2009)
• Moderate Resolution Imaging Spectroradiometer (MODIS)
Aqua (2009 to present)
NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
Ensemble Imagery Products
PIXEL
COLOR
IMAGERY
PRODUCT
PRODUCT
ALGORITHMS INTERPRETATION
Chlorophyll
Anomaly
Chlorophyll Anomaly
only
Less likely to be
K. brevis
Spectral
Shape
Ensemble
Chlorophyll Anomaly +
Spectral Shape 490nm
Could be K.
brevis
Backscatter
Ensemble
Chlorophyll Anomaly +
Backscatter Ratio bbp
Could be K.
brevis
Full
Ensemble
Chlorophyll Anomaly +
Spectral Shape 490nm +
Backscatter Ratio bbp Likely K. brevis
NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
Study Region
NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
PIXEL
COLOR
IMAGERY
PRODUCT
Chlorophyll
Anomaly
Spectral
Shape
Ensemble
Backscatter
Ensemble
Full
Ensemble
Ensemble Imagery Analysis
Backscatter
Ratio
Spectral
Shape
Anomaly
Only
Full
Ensemble
IMAGERY PRODUCT
HAB Detection: Percent Better
than Anomaly or Ensemble Product
Product Reliability (Bias)
NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
Chlorophyll Anomaly Ensemble
Imagery Analysis
NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
NOAA HAB-OFS Bulletins
NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES NOAA’s CENTER for OPERATIONAL OCEANOGRAPHIC PRODUCTS and SERVICES
katie.derner@noaa.gov hab@noaa.gov
Poster Session 1 – Monday 5-6:30pm Poster #9
Bulletin Guide: http://tidesandcurrents.noaa.gov/hab
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