Update info for 2.8 release.

Limitations.md

@@ -1,22 +1,24 @@
-The following paragraphs present the limitations of openIO-Canada v2.7.
+The following paragraphs present the limitations of openIO-Canada v2.8.
 
 - The sectors within a province importing international goods is not known. In other words, we know Quebec is importing X$
 amount of steel from the US, but we do not know if it's the construction or the manufacturing sector which needs the X$ 
 of imported steel. Imports were thus distributed following the use structure within the province.
 - CO, CH4 and N2O flows are only available for the L61 classification level. OpenIO-Canada uses a more disaggregated 
 classification and therefore allocates emissions based on sales' volume within a broader sector.
+- HFC/PFC/SF6 and NF3 emissions come from the UNFCCC data, whose guidelines differ from the SEEA.
 - The physical flow accounts of GHG used in openIO-Canada follow the SEEA guidelines, which does not differentiate between
 fossil and biogenic carbon. For intermediary exchanges, biogenic emissions level were estimated through Exiobase. For
 final demand though, it could not be estimated through Exiobase. As a result, direct GHG emissions from households are 
 overestimated, as it includes biogenic carbon emissions (from burning wood in the chimney or relying on biofuel for
 one's car) and accounts for them as if they were fossil emissions.
-- Water use flows are only available per sector at the national level. The output of each province for each sector was
+- Some water flows are only available per sector at the national level. The output of each province for theses sectors was
 used to distribute water use flows across provinces. For households demands in water, the consumption levels of each 
 province were used to distribute households' water flow uses across each province.
-- OpenIO-Canada only quantifies the **use** of water and not its **consumption**.
 - The NPRI only covers a handful of industrial sites. Pollutant emissions are therefore known to
-currently be underestimated. The same is true of SF6, HFCs and PFCs emissions.
+currently be underestimated.
 - NPRI emissions from the Education services sector were (arbitrarily) split 50/50 between the public and private sector
 - There is a non-negligible amount of emissions from the NPRI that could not be matched to the IMPACT World+ impact 
 assessment methodology, hence having a null impact.
-- For the Canadian part of openIO-Canada, the capital formation (and not the consumption of capital) was endogenized.
+- For the Canadian part of openIO-Canada, the capital formation (and not the consumption of capital) was endogenized.
+- While the 2.8 version of openIO-Canada now covers water consumption instead of water use, the regionalization
+of the associated impacts is not yet implemented.

README.md

@@ -1,11 +1,11 @@
-## _OpenIO-Canada v2.7_
+## _OpenIO-Canada v2.8_
 
 Python class creating Multi-Regional symmetric Environmentally Extended Input-Output (MREEIO) tables for Canada. OpenIO-Canada 
 operates at the provincial level (13 provinces). It can thus be used to compare the environmental impacts of value chains
 or consumption by households from any specific province.
 
 OpenIO-Canada covers 492 commodities, 33 GHGs, 310 pollutants in 3 compartments (air, water and soil), 
-67 mineral resources, water use and energy use.
+67 mineral resources, water consumption and energy use.
 
 OpenIO-Canada is connected to the Exiobase global MRIO database to model value chains happening outside Canada.