Difference between revisions of "Outdoor air temperature in Finland"

From Testiwiki
Jump to: navigation, search
(updated to match Helsinki energy decision 2015 data needs)
Line 1: Line 1:
−
{{variable|moderator = Virpi Kollanus}}
+
{{variable|moderator=Jouni}}
−
 
 
 
[[Category: CLAIH]]
 
[[Category: CLAIH]]
  
−
== Scope ==
+
== Question ==
  
−
Describes the outdoor air temperature in Finland.
+
What are the outdoor air temperatures in Finland previously, now and in the future in different climate areas?
  
−
'''Dimensions and boundaries'''
+
== Answer ==
−
*Time
 
−
**Year
 
−
***2009
 
−
***2030
 
−
**Resolution
 
−
***hourly/daily/monthly?
 
−
*Spatial
 
−
*World development scenarios
 
−
**A2
 
−
**A1B
 
−
**B1
 
  
−
== Definition ==
+
== Rationale ==
  
−
=== Data ===
+
Data from Statistics Finland:
 +
* [http://ilmatieteenlaitos.fi/energialaskennan-testivuodet-nyky Current temperature, wind, and solar radiation]
 +
* [http://ilmatieteenlaitos.fi/energialaskennan-testivuodet-tulevaisuuden-ilmastossa Future temperature, wind, and solar radiation]
 +
* The data contains the following parameters: Timestep Year Month Day Time Temperature(°C) Relative_humidity(%) Wind_direction(degrees) Wind_speed(m/s) Direct_normal_solar_radiation(W/m2) Diffuse_horisontal_radiation(W/m2) Global_horisontal_radiation(W/m2)
  
−
Description of the data used for obtaining the value of the variable
+
=== Calculations ===
−
(e.g. measurement data; mathematical method and its parameters).
 
−
Please include references (preferably using the ''<nowiki><ref></ref></nowiki>'' tags)
 
−
and links to original data, as appropriate.
 
  
−
=== Causality ===
+
<rcode embed=0>
 +
## This is code is Op_en2959/temperatures [[Outdoor air temperature in Finland]]
 +
library(OpasnetUtils)
  
−
List of upstream variables.
+
ta <- opbase.data("Op_en2959", subset = "Vantaa") # [[Outdoor air temperature in Finland]]
−
The variables can be listed used descriptive (free-format) names or unambiguous identifiers
+
hours <- as.character(ta$Date)
−
(e.g. [[Analytica]] IDs).
 
  
−
=== Unit ===
+
hours <- as.POSIXct(strptime(hours, format = "%Y-%b-%d %H:%M:%S"))
 +
hours <- hours + as.difftime(as.character(ta$Time), format = "%H:%M")
  
−
Unit in which the result is expressed.
+
# Adjust temperature data: 2.3 C is the average difference between Kuopio and Helsinki
 +
hours <- data.frame(Time = hours, Result = as.numeric(as.character(ta$Result)) + 2.3)
 +
hours <- hours[!is.na(hours$Result) , ]
 +
hours$Date <- as.POSIXct(strptime(format(hours$Time, "%Y-%m-%d"), format = "%Y-%m-%d"))
 +
hours <- hours[hours$Time >= as.POSIXct("2014-03-01 00:00:00") & hours$Time < as.POSIXct("2015-03-01 00:00:00") , ]
  
−
=== Formula ===
+
days <- aggregate(hours["Result"], hours["Date"], FUN = mean)
 +
days$Temperature <- cut(days$Result, breaks = seq(-30, 33, 3))
 +
temperatures <- Ovariable("temperature", data = aggregate(days["Result"], days["Temperature"], FUN = mean))
 +
temperdays <- Ovariable("temperdays", data = aggregate(days["Result"], days["Temperature"], FUN = length))
  
−
Algebra or other explicit methods if possible
+
objects.store(temperatures, temperdays)
−
(e.g. [[Analytica]] code between the <nowiki>''<anacode></anacode>''</nowiki> delimiters).
+
cat("Objects temperature, temperdays stored.\n")
  
−
== Result ==
+
#ggplot(hours, aes(x = Time, y = Result))+geom_line() + geom_point(data = days, aes(x = Date, y = Result, colour = "Daily mean", size = 2))
 +
#ggplot(hours, aes(x = Time, y = Result))+geom_point()
 +
</rcode>
  
−
If possible, a numerical expression or distribution.
 
  
 
==See also==
 
==See also==
  
 
*[[CLAIH assessment]]
 
*[[CLAIH assessment]]
 +
 +
{{Helsinki energy decision}}
  
 
==References==
 
==References==
  
−
Will appear here automatically, if cited above using the ''<nowiki><ref></ref></nowiki>'' tags.
+
<references/>
−
Additional references can also be listed here.
 
  
−
<references/>
+
== Related files ==

Revision as of 13:00, 11 October 2015

Question

What are the outdoor air temperatures in Finland previously, now and in the future in different climate areas?

Answer

Rationale

Data from Statistics Finland:

Calculations

+ Show code


See also

Template:Helsinki energy decision

References


Related files

Retrieved from "http://www.opasnet.org/testiwiki/index.php?title=Outdoor_air_temperature_in_Finland&oldid=38370"