Interactive Drifter Trajectory for Search & Rescue and Oil Spill - PowerPoint PPT Presentation

Interactive Drifter Trajectory for Search & Rescue and Oil Spill Response Yi Chao Jet Propulsion Laboratory & UCLA Darcy Dugan Alaska Ocean Observing System (AOOS) IOOS Products Workshop, May 17-19 1

Why do we need an interactive drifter trajectory (IDT) tool? • Marine search-and-rescue (SAR) operations – Accurate information is critical during the early hours of response • Forecast errors & search area grow rapidly with time • Extreme conditions increase the risk to human life dramatically • Oil spill response • Needs for user-friendly interface and easy data access – Interactive interface with no humans in the loop – Data interoperability with USCG/ASA and NOAA/GNOME environmental data servers IOOS Products Workshop, May 17-19 2

Interactive Drifter Trajectory (IDT) developed by JPL/UCLA • Funded by NASA as a 3-year (2009-2011) project in collaboration with USCG, ASA, and AOOS • First IOOS funding by CeNCOOS -Steve Ramp – Drifter releases one at a time or in cluster • Further development funded by AOOS -Molly McCammon and Carl Schoch – Drifter releases use ensemble ROMS forecasts – Field tested in Prince William Sound 2009 • Used real-time by SCCOOS IOOS Products Workshop, May 17-19 3

Interactive Drifter Trajectory (IDT): Release drifters one at a time IOOS Products Workshop, May 17-19 4

Single Drop Mode IOOS Products Workshop, May 17-19 5

Click to release or type in location in long/lat IOOS Products Workshop, May 17-19 6

Release one or several individual drifters IOOS Products Workshop, May 17-19 7

Specify the drifter depth (surface vs 10-m, etc) IOOS Products Workshop, May 17-19 8

Specify the start and end time (day/hour) IOOS Products Workshop, May 17-19 9

Click Compute & Plot: You have submitted a new request, asking the hourly ROMS forecast surface current to produce drifter trajectories over the specified period IOOS Products Workshop, May 17-19 10

It should only take a few seconds If it takes more than a minute, you should email or call Yi Chao Drifter will stop once hitting land. IOOS Products Workshop, May 17-19 11

Interactive Drifter Trajectory (IDT): Release drifters in a cluster IOOS Products Workshop, May 17-19 12

Multiple Drop Mode: M by N configuration 20 drifters = 4 x 5 IOOS Products Workshop, May 17-19 13

It takes a little longer, please be patient But if more than a minute, email or call Yi Chao Drifter will stop once hitting land. IOOS Products Workshop, May 17-19 14

Interactive Drifter Trajectory (IDT): 16-member Ensemble ROMS forecast (with more computing power, we can do more than 16 members if needed) IOOS Products Workshop, May 17-19 15

Click to release or type in the location in long/lat IOOS Products Workshop, May 17-19 16

Click Compute & Plot: You have submitted a new request, asking the16-member ensemble hourly ROMS forecast surface current to produce drifter trajectories over the specified period; each ensemble member differs slightly in its initial condition with everything else exactly the same IOOS Products Workshop, May 17-19 17

The ensemble takes longer, ~2 min for 2-week drifting period) (Reducing the drifting period takes less time) Drifter will stop once hitting land. IOOS Products Workshop, May 17-19 18

Future Work • Work in progress – Data interoperability with USCG/ASA (NASA funded) and NOAA/GNOME environmental data servers IOOS Products Workshop, May 17-19 19

Web-Based Virtual Drifter Tracker (Work in Progress, with Glen Watabayashi) IOOS Products Workshop, May 17-19 20

Future Work • Near-term objectives – Apply the developed drifter trajectory tool with HF radar gridded (gap-free) current – Provide drifter trajectory tool and service to other interested RAs • Long-term goal – Develop a national IOOS-wide drifter trajectory tool IOOS Products Workshop, May 17-19 21

Thank you Contact Yi Chao: Yi.chao@jpl.nasa.gov 818.354.8168 NASA Jet Propulsion Lab IOOS Products Workshop, May 17-19 22

Searching, showing & serving data

We collect and serve:  Air Temperature Radar •  Bathymetry Relative Humidity •  Biology Salinity •  CTD Cruise Sea Ice/Spray Icing •  Chlorophyll Sea Surface Temperature •  Climate Data Snow Depth •  Clouds Specific Humidity •  Dew Point Surface Currents •  Freezing Level Synthetic Aperture Radar •  Mass Balance Tides / Water Level •  Moorings Water Temperature •  Nutrients (Cruise data) Wave Height •  Ocean Temperature Wave Period •  Precipitation Wind Gusts •  Pressure

Types of data  Observational (in-situ)  Satellite (remote sensing)  Model (reanalysis; hindcast or forecast)

In-situ Observations

Remote Sensing: Satellite SST

Model: WRF Wind Forecast

Multiple access methods:  Portals – data in native format  Web Services: DAP, SOS, WMS, and WCS – IOOS data services  Alaska Marine Information System  Data format transformation service

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Time Extents

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Thank you • Time permitting DO A LIVE SEARCH – Region: Arctic – Show Projects – Show Datasets – Show Time Extents – Move in map to just Arctic – Display IMS CTD data, and Collection Points – Show Submitting Order/select CSV