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--- emep:emep-experts:tfmmtrendmethods [2014-12-22 13:56:44]
victor.shatalov@msceast.org [Software tools]
+++ emep:emep-experts:tfmmtrendmethods [2022-05-31 09:29:32] (current)
@@ Line 1: / Line 1: @@
 ====== TFMM trend methodology ======
-[[http://www.nilu.no/projects/ccc/tfmm/index.html|TFMM]]
+This page allows for exchanging and share information on recommended methods for the TFMMM trend assessment in 2015. A summary of the recommendations from the workshop in Paris in November 2015 can be found in Laurence Rouil's [[http://www.nilu.no/projects/ccc/tfmm/paris_2014/presentations_18nov2014/trends_workplan.pptx|presentation]]
-This page shall allow an overview on recommended methods for the TFMMM trend assessment in 2015.
-Content coming up soon:
 ===== Which Reference Period? =====
@@ Line 14: / Line 12: @@
 |Comments: Is this ok?|
+Wenche Aas: //In the summary from the Paris workshop it was stated that the period should be from 1992-2012. But I think we have to start at 1990 since that is the reference year for the Gothenburg protocol. A question is whether the latter period 2002-2012 is 11 years (including 2002 and 2012), I assume so. If one wants to dived the two periods and look at the first period separately, that should then be 1990-2011 (12 years).//
 ===== Which trends? =====
-Species: PM10, PM25, O3, NO2, BaP, S Deposition, N Deposition
+Species: PM10, PM25, O3, NO2, Deposition (S and N), heavy metals (Hg,Cd,Pb), POPs (BaP)
 Filters: Transport Sectors, Day/Night...
+|Comments:|
+Wenche Aas: //For studying trends in deposition it would be beneficial to actually rather look at concentrations in precipitation and  air/aerosols, especially when looking at measured data since dry deposition is not measured. Precipitation amount can be look at separately or in addition to concentration in precipitation.//
 ===== Statistical Methods =====
 % data coverage per year and 75% of period
-[[emep:tfmmtrendstations|Selected stations]]
+[[emep:emep-experts:tfmmtrendstations|Selected stations]]
-References to statistical methods
+**Discussion on trend methodology**
-[[http://www.msceast.org/trends/methodology.doc|Description of MSCE trend methodology]]
+[[http://www.msceast.org/trends/noteontrends.doc|A note on trend methodology by MSC-E]]
-[[http://www.msceast.org/trends/noteontrends.doc|Discussion on trend methodology]]
+[[https://wiki.met.no/_media/emep/emep-experts/mannkendall_note.pdf | A note on the use of Mann Kendall statistics by CCC ]]
+[[http://www.msceast.org/trends/methodology.doc|Description of MSCE trend methodology]]
 ===== Software tools =====
@@ Line 38: / Line 43: @@
 [[http://www.msceast.org/trends/program.zip|MSCE trend tool]]
+[[http://www.msceast.org/trends/Program_v1.zip|MSCE trend tool version 1]]