[Coral-List] drone used to photograph reefs

walt smith walt at waltsmith.com
Sat Jun 29 05:50:19 UTC 2019


and such a devil you are ... point well taken Doug!

On Sat, Jun 29, 2019 at 1:44 PM Douglas Fenner via Coral-List <
coral-list at coral.aoml.noaa.gov> wrote:

> So fantastic whiz-bang technology!  Great!!  We'd all like to be able to
> finally see what the reef looks like, each bump, hole, and coral colony, on
> our computer screens in the office or lab.  Never mind that it is only a
> tiny patch of the world's reefs.  Article didn't say how much 6 mo of
> supercomputer time to crunch the data will cost.  Surely vastly more than
> the $90,000 for the camera and $15,000 for the drone.  How practical will
> that be for mapping the world's reefs?  What major coral reef problem will
> be solved by this?  Will it solve some major mystery about reefs?  Will it
> save any reefs or corals?  I didn't see an answer to that in the article.
> A person was quoted in this article as saying it is faster than having
> someone go underwater and take a lot of pictures and stitch them together.
> But clearly not faster if you include computer time.  Instead of 6 mo of
> supercomputer, you can do the computer processing on your own computer in a
> few hours with software that is dirt cheap compared to a supercomputer for
> 6 mo.  For the price of supercomputer for 6 mo, you could provide funding
> for reef management for a whole country for a year or more, I would guess.
> Or voluntary birth control for a whole small country for a year or so (I'm
> totally with you on that, Alina!).
>     I'm playing "devil's advocate" here.
>      Cheers,  Doug
>
>
> On Sat, Jun 29, 2019 at 7:04 AM Nicole Crane <nicrane at cabrillo.edu> wrote:
>
> > Just saw a presentation on this while in Guam. Super!
> > Nicole
> >
> > On Fri, Jun 28, 2019 at 10:25 AM Douglas Fenner via Coral-List <
> > coral-list at coral.aoml.noaa.gov> wrote:
> >
> >> Drone takes to the skies to image offshore reefs
> >>
> >>
> >>
> https://www.nature.com/articles/d41586-019-01988-9?WT.ec_id=NATURE-20190627&utm_source=nature_etoc&utm_medium=email&utm_campaign=20190627&sap-outbound-id=F6879643729B698E3E09146A03F27DA843F58E1B&mkt-key=005056B0331B1ED782EEA4D8C7ECAFA3
> >>
> >>
> >> open access
> >>
> >> (Note the cost and that it may take 6 mo of supercomputer time to
> analyze
> >> the data from 5 sq m.  Also doesn't say how deep it can image or how
> image
> >> degrades with depth.)
> >>
> >> Cheers,  Doug
> >> --
> >> Douglas Fenner
> >> Ocean Associates, Inc. Contractor
> >> NOAA Fisheries Service
> >> Pacific Islands Regional Office
> >> Honolulu
> >> and:
> >> Consultant
> >> PO Box 7390
> >> Pago Pago, American Samoa 96799  USA
> >>
> >> A call to climate action  (Science editorial)
> >>
> >>
> https://science.sciencemag.org/content/364/6443/807?utm_campaign=toc_sci-mag_2019-05-30&et_rid=17045989&et_cid=2840296
> >>
> >> New book "The Uninhabitable Earth"  First sentence: "It is much, much
> >> worse
> >> than you think."
> >> Read first (short) chapter open access:
> >>
> >>
> https://www.pbs.org/newshour/arts/read-a-chapter-from-the-uninhabitable-earth-a-dire-warning-on-climate-change
> >>
> >> Want a Green New Deal?  Here's a better one.
> >>
> >>
> https://www.washingtonpost.com/opinions/want-a-green-new-deal-heres-a-better-one/2019/02/24/2d7e491c-36d2-11e9-af5b-b51b7ff322e9_story.html?utm_term=.a3fc8337cbf8
> >> _______________________________________________
> >> Coral-List mailing list
> >> Coral-List at coral.aoml.noaa.gov
> >> https://coral.aoml.noaa.gov/mailman/listinfo/coral-list
> >>
> > --
> > Nicole L. Crane
> > Faculty, Cabrillo College
> > Natural and Applied Sciences
> > www.cabrillo.edu/~ncrane
> >
> > Senior Conservation Scientist, Project co-lead
> > One People One Reef
> > onepeopleonereef.ucsc.edu
> >
> >
> >
> >
>
> --
> Douglas Fenner
> Ocean Associates, Inc. Contractor
> NOAA Fisheries Service
> Pacific Islands Regional Office
> Honolulu
> and:
> Consultant
> PO Box 7390
> Pago Pago, American Samoa 96799  USA
>
> A call to climate action  (Science editorial)
>
> https://science.sciencemag.org/content/364/6443/807?utm_campaign=toc_sci-mag_2019-05-30&et_rid=17045989&et_cid=2840296
>
> New book "The Uninhabitable Earth"  First sentence: "It is much, much worse
> than you think."
> Read first (short) chapter open access:
>
> https://www.pbs.org/newshour/arts/read-a-chapter-from-the-uninhabitable-earth-a-dire-warning-on-climate-change
>
> Want a Green New Deal?  Here's a better one.
>
> https://www.washingtonpost.com/opinions/want-a-green-new-deal-heres-a-better-one/2019/02/24/2d7e491c-36d2-11e9-af5b-b51b7ff322e9_story.html?utm_term=.a3fc8337cbf8
> _______________________________________________
> Coral-List mailing list
> Coral-List at coral.aoml.noaa.gov
> https://coral.aoml.noaa.gov/mailman/listinfo/coral-list
>


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