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# -*- coding: utf-8 -*-
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"""
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Created on Mon Feb 3 12:54:11 2020
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@original author: Saniya Khan
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@adopted code: Valentin Heimhuber
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This code uses a coords.csv file with a list of lat lon locations to extract SILO gridded climatology data at each location and
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writes it into a csv file
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SILO gridded data is 0.05° × 0.05° or 50x50km
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More information about the interpolated griddes SILO datasets can be found here: https://www.longpaddock.qld.gov.au/silo/faq/#faq5
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Available variables are:
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"""
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from __future__ import unicode_literals
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import urllib.request
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import urllib.parse
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import pandas as pd
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from io import StringIO
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from itertools import repeat
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api_url = 'https://www.longpaddock.qld.gov.au/cgi-bin/silo'
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path_to_coordscsv_file = 'J:/Project/wrl2018064 Fisheries RAP/04_Working/05_Modelling/RMA/HEMIP/Global_Data/Climatology/SILO/'
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#replace by actual geocodes
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#geocode=pd.DataFrame([['YANKALILLA','-35.494262', '138.362596'],
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# ['PORT WAKEFIELD','-34.185349', '138.155379']],columns=['Brigade','latitude','longitude'])
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list_of_weather=[]
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weather=pd.DataFrame()
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def getGeocode():
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geocode= pd.read_csv(path_to_coordscsv_file + "coords.csv")
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print(geocode.columns)
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geocode.set_index('Brigade')
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#print("dfdfdfD")
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#print(geocode)
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return geocode;
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def buildUrl(lat,long):
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params = {
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'format': 'standard',
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'lat': str(lat),
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'lon': str(long),
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'start': '20090101',
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'finish': '20181231',
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'username': 'sk3862@drexel.edu',
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'password': 'silo'
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}
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url = api_url + '/DataDrillDataset.php?' + urllib.parse.urlencode(params)
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return url
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def sendRequest(url):
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with urllib.request.urlopen(url) as remote:
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data = remote.read()
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s=str(data,'utf-8')
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data_formatted = StringIO(s)
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df=pd.read_csv(data_formatted)
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return df
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def getData(lat,long) :
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return weather
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#lat long index
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geocode=getGeocode()
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for i in range(len(geocode)):
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print(i)
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brigade=[geocode.loc[i,'Brigade']]
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url=buildUrl(geocode.loc[i,'latitude'], geocode.loc[i,'longitude']) #url for lat long
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df=sendRequest(url) #ping the australian websiten
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if i==0:
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headr=df.iloc[31,:]
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headr.reset_index(inplace=True, drop=True)
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headr.replace('\s+', ',',regex=True,inplace=True) #separate out the header
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headr[0]=headr[0]+",Brigade"+",Latitude"+",Longitude";
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list_of_weather.append(headr)
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df=df[32:(len(df)-1)]#cleaning remove header, indexes
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df.replace('\s+', ',',regex=True,inplace=True) #make csv space delimited to comma delimited
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df=df.iloc[:,-1]#cleaning
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df.name=brigade[0]
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formatted_data=df+","+brigade[0]+","+str(geocode.loc[i,'latitude'])+","+str(geocode.loc[i,'longitude'])
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list_of_weather.append(formatted_data)#combine for different locations
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#weather=pd.concat(list_of_weather)
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#weather = [getData(x, y) for x, y in zip(geocode['latittude'], geocode['longitude'])]
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#reformat into a nice dataframe with colnames and save that as CSV
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col_names=["Date (yyyymmdd)","Day","T.Max(oC)","Smx","T.Min(oC)","Smn","Rain (mm)","Srn","Evap(mm)","Sev", "Radn(MJ/m2)","Ssl" ,"VP (hPA)","Svp","RHmaxT(%)" ,"RHminT(%)" ,"Date2(ddmmyyyy)","Brigade","Latitude","Longitude"]
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df = pd.DataFrame(weather.str.split(',',n=19).tolist(),
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columns = col_names)
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df = df.iloc[1:]
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print(df.head())
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df.to_csv(path_to_coordscsv_file + 'SILO_weather_data' + brigade[0] + '.csv')
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