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it never gets old those views from space

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especially of our beautiful blue oceans

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a recent space station experiment called

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hico used a hyperspectral camera to

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study our waterways a little more

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closely today we're finding out how the

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environmental protection agency is

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taking that data and using it to develop

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earth applications

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our project was the first attempt that

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epa used to do environmental monitoring

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from space station space station data

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and in our project we took haiko

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spectral data and imagery and created

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four models to estimate water quality

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parameters in four estuaries along the

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florida panhandle

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so how does hico work in relation to

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what

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you

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needed the information for okay hico is

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a scanning instrument and it produces an

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image

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of the area your study area that also

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gives you these the spectrum of light

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that's leaving the water

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and the atmosphere from that area so we

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took that spectral data

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removed the atmospheric effect so we

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were only seeing the light coming out of

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the water and then we were able to

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create

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through mathematical methods regression

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models where we could use the spectral

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data to predict what the parameter for

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instance chlorophyll concentrations were

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for

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any given pixel in the estuaries that we

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were looking at

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how did the epa find out that there was

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such an experiment and then there was

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such data out there that you could use

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space to help

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look at things on earth

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we had some folks down at our laboratory

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in gulf breeze florida who had

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interacted with people from the stennis

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space center so there was already a

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knowledge of the space station

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and we put in a proposal to epa through

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the office of research and development

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to use um hico data to

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fund our project so

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in that sense it started with a small

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group of people who were kind of

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co-located

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professionally and we kind of we're

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hoping and we have influenced the agency

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about the use of

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this type of data

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tell us again about the project itself

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and and how it worked and and what you

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actually study the areas that you study

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okay the project actually consisted it

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was a it was a really it was a

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multi-laboratory

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intergovernmental operation

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where we had two epa national

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laboratories as well as the navy from

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the stennis space center

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and 15 individuals involved

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and um

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we had a a small field program for the

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four estuaries we were looking at which

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were

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pensacola bay chocohatchee bay

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saint andrew bay and saint joseph's bay

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in florida so whenever there was a

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a space station overflight scheduled we

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would we would mobilize the field crews

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to get out and collect water

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and other

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characteristics of the waters in those

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estuaries and to verify the models that

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we created from the spectral data from

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the space station from hico

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what have you learned from what you

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found

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well one of the things we've learned is

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oh there's several things we've learned

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one is um

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we've learned how to atmospherically

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correct that data how to remove the

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atmosphere to get the water only signal

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and that was quite a quite a task for us

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and quite a

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an effort

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the bays in florida kind of

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characteristically behave

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in an oceanographic sense like other

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bays along the gulf coast

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they have a connection to the gulf of

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mexico but they also receive water from

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springs and streams up in the estuaries

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and that tends to

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generate

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phytoplankton blooms where you would

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think there would be phytoplankton

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blooms in general also

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the water as everyone who's ever

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recreated down in that part of the world

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knows the water is really clear

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there's not a whole lot of chlorophyll

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in it not a whole lot of sediments in it

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and

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so

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confirmed what's already known it's just

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now we've been able to extend the range

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of hico

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whole into the coastal and estuarine

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environment it may be obvious but why

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why is the epa interested in this kind

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of data what what's important to learn

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for you guys well what we would like to

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do

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is and we've kind of gone along we are

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along the path is to take that

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information

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uh create a smartphone application for

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that implement

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information so that

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people

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and environmental managers from those

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areas

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can

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access the data to see what the

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conditions are in their personal areas

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their favorite beaches

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and then also

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our hope is that with that kind of

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knowledge as one goes to the weather

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station

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to as to get the weather data from your

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area you find out what the water quality

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conditions are in your area and then we

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hope that the public will then be

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supportive of management activities

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to keep the water quality as good as it

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is or improvement so we're trying to

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reach out to the public in that sense

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and that'll do it for us here from the

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payload operations integration center