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@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix dbpedia_owl: <http://dbpedia.org/ontology/> .
@prefix gcis: <http://data.globalchange.gov/gcis.owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<https://data.globalchange.gov/activity/77065e97-nca3-cddv2-r1-process>
   dcterms:identifier "77065e97-nca3-cddv2-r1-process";

## Duration of the activity
   dcterms:extent [ rdf:value "6 hours"^^xsd:string ] ;

## Output datafiles   
   dbpedia_owl:filename "conus.ave.tave\r\ntemp_precip_timeseries.pro\r\nconus_tave_anom_winter_trend_1895-2012.eps\r\napp-fig28-a.png\r\nAPP_u s. seasonal temperatures_V3.png"^^xsd:string;

## Computing environment
   gcis:computingEnvironmentsUsed "Mac OS X (darwin x86_64 m64)"^^xsd:string;
   
## assignment of responsibility to an agent for an activity, indicating that the agent 
## had a role in the activity. It further allows for a plan to be specified, which is
## the plan intended by the agent to achieve some goals in the context of this activity.

   prov:qualifiedAssociation [
      a prov:Association ;
      prov:agent [
         a prov:SoftwareAgent, gcis:Software ;
         rdfs:label "IDL (version 8.0)"^^xsd:string;
      ] ;
      prov:hadPlan [
         a prov:Plan; 
         rdf:value "Mean annual temperatures for the winter months (December-January-February) were averaged for all grid points in the contiguous U.S. Temperature anomalies were then calculated by subtracting the 1901-1960 average winter temperature from the annual average winter temperatures and plotted as a time series from 1895 to 2012. The temperature trend for the entire period was also calculated using linear least squares regression, and plotted as a trend line."^^xsd:string;
      ] ;
   ] ;

   a prov:Activity .

## The following entity was derived from a dataset using this activity
<https://data.globalchange.gov/image/77065e97-1d1f-4786-9649-4402455aca47>
   prov:wasDerivedFrom <https://data.globalchange.gov/dataset/gov_noaa_ncdc_c00702>;
   prov:wasGeneratedBy <https://data.globalchange.gov/activity/77065e97-nca3-cddv2-r1-process>.