[SQM] do you have a global database of SQM data ?

Constance Walker cwalker at noao.edu
Thu Feb 19 00:45:57 UTC 2015


I am here to answer any questions. 

Good to meet you, José.
Connie

Sent from my iPhone

> On Feb 18, 2015, at 9:21 AM, Christopher Kyba <kyba at gfz-potsdam.de> wrote:
> 
> Hi Josep,
> 
> The ideal solution is to send your measurements for inclusion into the Globe at Night database. Connie Walker (in cc) is the person you should contact. I'm not sure if it's possible for them to accept measurements from previous years, because they finalize their dataset for the year.
> 
> But perhaps we could introduce a GaN supplement, with data taken in previous years that wasn't shared with GaN during the year?
> 
> Best,
> 
> Chris
> 
>> On Fri, Feb 13, 2015 at 6:30 PM, Josep Lascurain <lascurain at sgm.es> wrote:
>> Hello
>> 
>>  
>> 
>> We have made a map with SQM readings of the Collserola Natural Park and surrounding area (aprox 80% of the metropolitana rea of Barcelona). Measurements with dark skies with no clouds and no moon.
>> 
>>  
>> 
>> Those data show some disparities with the light pollution map   http://www.lightpollutionmap.info/ mainly because airport area and logistic areas close to airport produce much more contamination than urban ligths on urban canyon. And they keep lighting whole night .
>> 
>>  
>> 
>> http://www.slideshare.net/ConsultoraSGM/la-contaminaci-lumnica-al-parc-natural-de-collserola-avaluaci-i-recomanacions  This link is of a presentation in catalan, but you will see a map on slide 65.   This map was include data from places quite far away (harbour, ariport, etc..).
>> 
>>  
>> 
>> We have of course a geodatabase and we  will try to organize some kind of crowdsourcing campaign to get more data. 
>> 
>>  
>> 
>> But it would be much better for us not to reinvent the wheel and add our data to a bigger one! So0, we would be happy to know if there is a global geodatabase.
>> 
>>  
>> 
>> Finally just to say thank you very much to Anthony Tekatch for keeping in touch with all of us with so much interesting information!!!!!!
>> 
>>  
>> 
>> All the best.
>> 
>>  
>> 
>> José Lascurain
>> 
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>> <image001.jpg>
>> 
>> J Lascurain
>> 
>> Consultora SGM sl
>> 
>> Roger de Llúria, 118-6é -08037 Barcelona
>> 
>> Tel: 34 934 882 272
>> 
>> Mov: 609 46 25 56
>> 
>> lascurain at sgm.es
>> 
>> www.sgm.cat
>> 
>>  
>> 
>> SKYPE: jlascuraing
>> 
>>  
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>> <image002.png>  <image003.png>  <image004.jpg>  <image005.png> 
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>> 
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> 
> 
> 
> -- 
> 
> 
> Christopher Kyba
> +49 (0)331 288 28973
> http://userpage.fu-berlin.de/~kyba/
> 
> Helmholtz-Zentrum Potsdam
> Deutsches GeoForschungsZentrum GFZ
> (German Research Center for Geoscience)
> Stiftung des öff. Rechts Land Brandenburg
> Telegrafenberg, 14473 Potsdam
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