#geowebchat transcript, 5 March 2013


@mappingmashups Mar 04, 5:18pm Reminder: #geowebchat tomorrow at 1pm PST. Topic: mapping -sheds and -footprints on the geoweb with @erictheise

@erictheise Mar 05, 9:25am today at 1pm pacific time, i’ll be hosting a #GeoWebChat. these are bi-weekly events driven by @mappingmashups

@erictheise Mar 05, 9:26am #GeoWebChat topic is “-sheds and -prints”, meaning the trend where concepts of watershed & footprint are being generalized, adapted, mapped

@erictheise Mar 05, 9:27am and where there’s an interesting continuum from observable physical characteristics to user-contributed cultural characteristics #GeoWebChat

@erictheise Mar 05, 9:28am easiest to participate in a #GeoWebChat using something like tweetchat.com which refreshes quickly and manages the hashtag for you

@erictheise Mar 05, 9:29am always smart people & snappy discussion in a #GeoWebChat and you yes you are welcome & qualified to join; today 1pm pacific time

@AndrewShears Mar 05, 12:54pm I’ll lurk a bit, but I’ll have to jet around 20 after. #geowebchat

@mappingmashups Mar 05, 1:02pm Hey everybody. Thanks for hosting #geowebchat today, @erictheise.

@erictheise Mar 05, 1:03pm let’s start. while back @mappingmashups was looking for topics and i came up with today’s. guess that’s my qualification to host #geowebchat

@erictheise Mar 05, 1:04pm as i mentioned earlier, i’m interested in the physicality of watersheds and the more ephemeral aspects of other *sheds #geowebchat

@erictheise Mar 05, 1:05pm also interested in how the socio and cultural sheds need people’s inputs, and i guess that’s the intersection with the geoweb #geowebchat

@erictheise Mar 05, 1:06pm found a paper at UCSD that talks about “airsheds,” watersheds, “foodsheds,” “smellsheds,” and “soundsheds.” #geowebchat

@erictheise Mar 05, 1:08pm also found an interesting (but broken) model at Cornell that simulates food production in new york state css.cals.cornell.edu/extension/food… #geowebchat

@mappingmashups Mar 05, 1:08pm I also think that -sheds have interesting potential for viz… highlighting parts of the map relevant to a given point. #geowebchat

@erictheise Mar 05, 1:09pm and i wonder what others think of the concept; do people understand the notion, would a good viz modify their behavior? #geowebchat

@erictheise Mar 05, 1:10pm will people install or act as sensors to feed such a project? we do see that w/home weather stations for exampe #geowebchat

@mappingmashups Mar 05, 1:12pm @erictheise I think it depends on how stretched the -shed metaphor is. I think people understand things like a foodshed, forex. #geowebchat

@mappingmashups Mar 05, 1:14pm @erictheise Do you think the question of citizen sensors is somehow entwined with -sheds? I suppose it is with -footprints. #geowebchat

@mattdance Mar 05, 1:15pm @erictheise There is some hope of that with the #airqualityegg for air monitoring. #geowebchat

@mappingmashups Mar 05, 1:15pm I guess I think of -sheds as something that is inherently spatial, while footprints are not, always. Carbon footprint, forex. #geowebchat

@erictheise Mar 05, 1:16pm sensors or some sort of feedback mechanism. one of my students at cca mapped where her food came from for a week #geowebchat

@erictheise Mar 05, 1:16pm to a producer it might almost seem like sending out a message in a bottle #geowebchat

@erictheise Mar 05, 1:18pm @mappingmashups you are probably right about sheds vs footprints #geowebchat

@mappingmashups Mar 05, 1:19pm @erictheise Do you have a link for that paper about “airsheds,” watersheds, “foodsheds,” “smellsheds,” and “soundsheds” ? #geowebchat

@erictheise Mar 05, 1:20pm i was musing on the language of those terms earlier; that shed is the imprint, more passive, a basin, a receptacle #geowebchat

@erictheise Mar 05, 1:21pm while footprint is active, the mark maker, the positive force; they have duality #geowebchat

@UChicago_GIS Mar 05, 1:21pm @mappingmashups Foodsheds are easy to track via food distributors. That’s how research was conducted here. #geowebchat

@AndrewShears Mar 05, 1:21pm Airsheds are interesting concept… I wonder if democratizing drones will lead to regulation of formerly public “space” #geowebchat

@AndrewShears Mar 05, 1:22pm I think @gpe does some work on air geographies…. #geowebchat

@erictheise Mar 05, 1:23pm also that in US, watershed is the basin while elsewhere it’s the ridge; “watershed moment” more sensible to the non-US #geowebchat

@spara Mar 05, 1:23pm @AndrewShears Wouldn’t an airshed also include the space covered by surveillance cameras? #geowebchat

@erictheise Mar 05, 1:23pm @mappingmashups the ucsd paper is ‘scalable info networks for the enviro’ pbi.ecoinformatics.org/sine_report.PDF #geowebchat

@NoRosen Mar 05, 1:24pm @mappingmashups -sheds do have good vis potential. different transit modes affect pedsheds #geowebchat twl.sh/W3a0Yc

@erictheise Mar 05, 1:25pm the epa has a john wesley powell quote re: watersheds #geowebchat

@erictheise Mar 05, 1:25pm “that area of land, a bounded hydrologic system, within which all living things are inextricably linked #geowebchat

@erictheise Mar 05, 1:26pm by their common water course and where, as humans settled, simple logic demanded that they become part of a community.” #geowebchat

@mappingmashups Mar 05, 1:26pm Finally tracked down the link I was thinking of: mapnificent.net shows travel-sheds by graying-out parts of the map. #geowebchat

@UChicago_GIS Mar 05, 1:26pm @NoRosen Would u consider a pedshed similar to a Livehood? livehoods.org #geowebchat

@erictheise Mar 05, 1:26pm interesting to substitute other things for “hydrologic” and “water” and see how much sense it makes #geowebchat

@erictheise Mar 05, 1:32pm @UChicago_GIS had not seen livehoods.org before, thanks. @mappingmashups thanks for travel-shed, trulia has similiar #geowebchat

@mappingmashups Mar 05, 1:33pm @erictheise Compared to that ecological definition, we are certainly using an impoverished idea of -sheds in these analogies. #geowebchat

@mappingmashups Mar 05, 1:39pm …on the other hand, maybe that EPA definition of watershed is trying too hard to put nature into easily measured boxes… #geowebchat

@erictheise Mar 05, 1:39pm @mappingmashups true. although technology has changed everything. piping sierra water to la, shipping foods internationally #geowebchat

@mappingmashups Mar 05, 1:40pm Certainly “all living things” are inextricably linked within a watershed, but they are also linked beyond watersheds. #geowebchat

@erictheise 1:40pm and ultimately the notion that we are all downstream, at least in terms of air and water #geowebchat

@erictheise 1:44pm @mappingmashups this topic (or my hosting of it) may not have the momentum to get us to the top of the hour! #geowebchat

@mappingmashups 1:45pm @erictheise Well, I think we do have a few lurkers still kicking around! #geowebchat

@mappingmashups 1:46pm I’m curious what ppl think about mapping “footprints”. Other than the famous “carbon footprint”, are there other good examples? #geowebchat

@erictheise 1:48pm i learned a few things from the wikipedia page about ecological footprint en.wikipedia.org/wiki/Ecologica… #geowebchat

@mappingmashups 1:48pm The idea of a footprint (in this context at least) is meant to emphasize how much of something you are using up… #geowebchat

@mattdance 1:48pm @mappingmashups …Or letting off – A more general ‘emissions’ footprint may be interesting. #geowebchat

@mappingmashups 1:49pm …that if we added up everybody’s carbon or ecological footprints it would need more area than exists on earth. #geowebchat

@mappingmashups 1:49pm So it’s about space & area, but not specifically located anywhere. It’s almost like displacement of space is the key feature. #geowebchat

@erictheise 1:50pm carbon and water derive from that, but the claim is that it is beyond metaphor and is a biocapacity calculation #geowebchat

@mappingmashups 1:51pm @mattdance Exactly, tho the emissions footprint is only meaningful when considered w/ the amount of whatever exists to absorb it #geowebchat

@mattdance 1:52pm @mappingmashups What about aggregate emissions and impacts on health or ecosystem. For instance, ambient stds for substances. #geowebchat

@mappingmashups 1:53pm I wonder if a map like this from #occupy could be thought of as a kind of “footprint”? #geowebchat #ows twitpic.com/c8xvp2

@erictheise 1:54pm as an aside, representing undifferentiated or dislocated space graphically is splendidly weird. #geowebchat

@gpe 1:54pm I do! Putting a finishing move on the diss as we tweet! RT @AndrewShears: I think @gpe does some work on air geographies…. #geowebchat

@erictheise 1:54pm have you seen older charts of tallest mountains or longest rivers all laid out next to each other like a butterfly collection? #geowebchat

@mappingmashups 1:57pm @erictheise Yes, the tyranny of the slippy map hasn’t made this a good era for weird mappings like that. #geowebchat

@erictheise 1:58pm @mappingmashups that #occupy map is splendidly weird. how can one (an american) not associate the territories w/areas? #geowebchat

@erictheise 1:59pm “i’m the 40% but at least i’m part owner of marfa, texas” #geowebchat

@erictheise 2:01pm thanks everyone for sticking around and participating, congrats @gpe on finishing up your dissertation if i read that right #geowebchat

@mappingmashups 2:02pm Thanks to @erictheise for a thought-provoking #geowebchat. I love getting topic suggestions.. there’s only so many ideas I can come up with!

@mappingmashups 2:04pm Next #geowebchat is in 2 wks: March 19. Topic will be “Hackathons: what are they good for?”. Hope @markiliffe & @jeremy_morley can drop in.

@erictheise 2:05pm & apologies for my quick parse of texas & the #occupy map, i seem only to have a share in freer or hebbronville #geowebchat

@mappingmashups 2:06pm Provisionally on April 2, how about a #geowebchat about civilian and military #drones? @AndrewShears, @spara, @gpe, hope you can join us.

@erictheise 2:06pm see you all next time! #geowebchat

@gpe 2:12pm In 1954, Scandinavian Airlines made the first transpolar scheduled passenger flight in history. It flew from LAX to Copenhagen. #geowebchat

@gpe 2:13pm Upon landing, LA mayor Norris Poulson emerged from the cabin door carrying a sign reading “Los Angeles City Limits.” #footprints #geowebchat

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