[Coral-List] drone used to photograph reefs
Phillip Dustan
phil.dustan at gmail.com
Mon Jul 1 12:00:33 UTC 2019
I would echo Mike and suggest that the energy spent on all the coral-list
pontificating be better purposed to effect change, not rhetoric.
Phil
On Mon, Jul 1, 2019 at 8:56 PM Risk, Michael via Coral-List <
coral-list at coral.aoml.noaa.gov> wrote:
> ...and 50 years ago Terry Scoffin was flying camera-carrying kites over
> reefs, 40 years ago we had CASSI multispectral imagery...there are
> loads of techniques out there. We need to give up our fascination with
> endless ways to describe the vanishing (how many different "reef
> survey" schemes are out there?) and concentrate on stopping the
> vanishing. This might just mean less focus on individual careers and
> more on solutions. (If I sound cynical-I earned it.)
>
> On Jun 28, 2019, at 5:20 PM, Douglas Fenner via Coral-List
> <[1]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 <[2]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 <
> [3]coral-list at coral.aoml.noaa.gov> wrote:
>
> Drone takes to the skies to image offshore reefs
> [4]https://www.nature.com/articles/d41586-019-01988-9?WT.ec_id=NATUR
> E-20190627&utm_source=nature_etoc&utm_medium=email&utm_campaign=2019
> 0627&sap-outbound-id=F6879643729B698E3E09146A03F27DA843F58E1B&mkt-ke
> y=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-uninhabita
> ble-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.h
> tml?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
> [5]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)
> [6]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:
> [7]https://www.pbs.org/newshour/arts/read-a-chapter-from-the-uninhabita
> ble-earth-a-dire-warning-on-climate-change
> Want a Green New Deal? Here's a better one.
> [8]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
> [9]Coral-List at coral.aoml.noaa.gov
> [10]https://coral.aoml.noaa.gov/mailman/listinfo/coral-list
>
> References
>
> 1. mailto:coral-list at coral.aoml.noaa.gov
> 2. mailto:nicrane at cabrillo.edu
> 3. mailto:coral-list at coral.aoml.noaa.gov
> 4.
> 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
> 5. http://www.cabrillo.edu/~ncrane
> 6.
> https://science.sciencemag.org/content/364/6443/807?utm_campaign=toc_sci-mag_2019-05-30&et_rid=17045989&et_cid=2840296
> 7.
> https://www.pbs.org/newshour/arts/read-a-chapter-from-the-uninhabitable-earth-a-dire-warning-on-climate-change
> 8.
> 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
> 9. mailto:Coral-List at coral.aoml.noaa.gov
> 10. https://coral.aoml.noaa.gov/mailman/listinfo/coral-list
> _______________________________________________
> Coral-List mailing list
> Coral-List at coral.aoml.noaa.gov
> https://coral.aoml.noaa.gov/mailman/listinfo/coral-list
>
--
Phillip Dustan PhD
Charleston SC 29424
843-953-8086 office
843-224-3321 (mobile)
"When we try to pick out anything by itself
we find that it is bound fast by a thousand invisible cords
that cannot be broken, to everything in the universe. "
* John Muir 1869*
*Bali Coral Bleaching 2016 video*
*https://www.youtube.com/watch?v=yxOfLTnPSUo
<https://www.youtube.com/watch?v=yxOfLTnPSUo>*
TEDx Charleston on saving coral reefs
https://www.youtube.com/watch?v=iwENBNrfKj4
Google Scholar Citations:
https://scholar.google.com/citations?user=HCwfXZ0AAAAJ
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