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#spatial

22 posts16 participants4 posts today

1809 ‘Chart’: "Southern Celestial Hemisphere On The Plane Of The Equator:..
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“On which is carefully defined the Boundaries of the Conftellations & all the Stars to the Sixth Magnitude inclufive.
From the Aftronomical Catalogue of the Rev. M. Wollaston, F.R.S”
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atlascoelestis.com/Woll%20base <-- details of the text and map(s) for astronomy students (in Italian)
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en.wikipedia.org/wiki/Southern <-- shared Southern Celestial Hemisphere wiki page
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My other ½ – an astrophysicist working currently in space weather – gave me this map/chart… Now I have to find someone to preserve and frame it - sheesh! ~smile~
#GIS #spatial #mapping #map #cartography #preserve #frame #teachingaid #education #oldmap #SouthernCelestialHemisphere #stars #starchart #astronomy #celestialmapping #observation #charting #navigation #mapgeeks #mapnerds

Today is rest day, in all dimensions.

So why not computing the administrative areas around the world I've visited while running and cycling with @duckdb #SQL and a bit of #Java

github.com/michael-simons/biki

Doing all the #spatial stuff directly from within the db, working on temp tables.

Eventually getting a deeply nested #JSON structure out of it:

github.com/michael-simons/biki

Thanks @lukaseder for inspiration, @hannes for that piece of tech :)

Cuadro Físico Meteoro y Geológico de la Tierra y Reloj Cosmográfico. (Physical, Meteorological, and Geological [1879] Chart of the Earth and Cosmographic Clock.)
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davidrumsey.com/luna/servlet/d <-- shared David Rumsey Map Collection holding, and download the high resolution digital copy of the map…
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[the level of detail - with the ballon and other cartographic affectations…]
#GIS #spatial #mapping #cartography #maps #oldmaps #global #world #geography #geology #flora #fauna #terrestrial #FridayFeeling #gischat #Spain #rivers #mountains #humanity #globe #earth
@DavidRumseyMapCenter

Turbulence Characteristics Of Ice-Free Radiatively Driven Convection In A Deep, Unstratified Lake
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doi.org/10.1029/2024GL112607 <-- shared paper
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[anecdotally, I have experienced this scuba diving in a drysuit in WA and BC, especially in freshwater, so it is wonderful to see some background]
#GIS #spatial #mapping #remotesensing #ROV #water #hydrology #underwater #GreatLakes #LakeSuperior #density #temperature #freshwater #lake #stratified #stratification #colder #warmer #mixing #convective #survey #energy