allow sequestration potential attributes to be string

config/config.default.yaml

@@ -515,7 +515,11 @@ sector:
   regional_coal_demand: false
   regional_co2_sequestration_potential:
     enable: false
-    attribute: ['conservative estimate Mt', 'conservative estimate GAS Mt', 'conservative estimate OIL Mt', 'conservative estimate aquifer Mt']
+    attribute: 
+    - conservative estimate Mt
+    - conservative estimate GAS Mt
+    - conservative estimate OIL Mt
+    - conservative estimate aquifer Mt
     include_onshore: false
     min_size: 3
     max_size: 25

doc/configtables/sector.csv

@@ -71,7 +71,7 @@ boilers,--,"{true, false}",Add option for transforming gas into heat using gas b
 resistive_heaters,--,"{true, false}",Add option for transforming electricity into heat using resistive heaters (independently from gas boilers)
 oil_boilers,--,"{true, false}",Add option for transforming oil into heat using boilers
 biomass_boiler,--,"{true, false}",Add option for transforming biomass into heat using boilers
-overdimension_individual_heating,--,float,Add option for overdimensioning individual heating systems by a certain factor. This allows them to cover heat demand peaks e.g. 10% higher than those in the data with a setting of 1.1.
+overdimension_individual_heating,--,"float",Add option for overdimensioning individual heating systems by a certain factor. This allows them to cover heat demand peaks e.g. 10% higher than those in the data with a setting of 1.1.
 chp,--,"{true, false}",Add option for using Combined Heat and Power (CHP)
 micro_chp,--,"{true, false}",Add option for using Combined Heat and Power (CHP) for decentral areas.
 solar_thermal,--,"{true, false}",Add option for using solar thermal to generate heat.
@@ -90,7 +90,7 @@ regional_methanol_demand,--,"{true, false}",Spatially resolve methanol demand. S
 regional_oil_demand,--,"{true, false}",Spatially resolve oil demand. Set to true if regional CO2 constraints needed.
 regional_co2 _sequestration_potential,,,
 -- enable,--,"{true, false}",Add option for regionally-resolved geological carbon dioxide sequestration potentials based on `CO2StoP <https://setis.ec.europa.eu/european-co2-storage-database_en>`_.
--- attribute,--,list,List of names of the attributes for the sequestration potential
+-- attribute,--,string or list,Name (or list of names) of the attribute(s) for the sequestration potential
 -- include_onshore,--,"{true, false}",Add options for including onshore sequestration potentials
 -- min_size,Gt ,float,Any sites with lower potential than this value will be excluded
 -- max_size,Gt ,float,The maximum sequestration potential for any one site.

doc/release_notes.rst

@@ -10,7 +10,7 @@ Release Notes
 Upcoming Release
 ================
 
-* correct estimation of CO2 sequestration potential to including hydrocarbon fields (gas + oil) or saline aquifers
+* Include gas and oil fields and saline aquifers in estimation of CO2 sequestration potential.
 
 * bugfix: convert Strings to pathlib.Path objects as input to ConfigSettings
 

scripts/build_sequestration_potentials.py

@@ -23,6 +23,8 @@ def area(gdf):
 def allocate_sequestration_potential(
     gdf, regions, attr="conservative estimate Mt", threshold=3
 ):
+    if isinstance(attr, str):
+        attr = [attr]
     gdf = gdf.loc[gdf[attr].sum(axis=1) > threshold, attr + ["geometry"]]
     gdf["area_sqkm"] = area(gdf)
     overlay = gpd.overlay(regions, gdf, keep_geom_type=True)