Modify cell methods.

DReq/cmip6/aerssabnd-3hr-unknown-tpt-l-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "aerssabnd",
     "questions_and_notes": "Should these be weighted somehow?",
     "specific_issues": [
-        "8:Deprecate? Only 2 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 2 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 2,
     "contributing_models": 3,
@@ -20,7 +19,7 @@
         "atmos"
     ],
     "dimensions": "longitude latitude alevel spectband time1",
-    "cell_methods": "area: mean time: point",
+    "cell_methods": "area: mean (weighted by incident radiation in band) time: point",
     "long_name": "Aerosol Level Single Scattering Albedo for Each Band",
     "comment": "The single scattering albedo is the fraction of radiation in an incident light beam scattered by the particles of an aerosol reference volume for a given wavelength. It is the ratio of the scattering and the extinction coefficients of the aerosol particles in the reference volume. "
 }

DReq/cmip6/agesno-day-lnd-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "agesno",
     "questions_and_notes": "",
     "specific_issues": [
-        "8:Deprecate? Only 2 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 2 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 2,
     "contributing_models": 3,
@@ -20,7 +19,7 @@
         "landIce land"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: mean where land time: mean",
+    "cell_methods": "area: time: mean where land (weighted by snow mass on land)",
     "long_name": "Mean Age of Snow",
     "comment": "Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land."
 }

DReq/cmip6/agesno-mon-lnd-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "agesno",
     "questions_and_notes": "",
     "specific_issues": [
-        "8:Deprecate? Only 2 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 2 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 2,
     "contributing_models": 10,
@@ -20,7 +19,7 @@
         "landIce land"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: mean where land time: mean (with samples weighted by snow mass)",
+    "cell_methods": "area: time: mean where land (weighted by snow mass on land)",
     "long_name": "Mean Age of Snow",
     "comment": "Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land."
 }

DReq/cmip6/albc-day-lnd-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "albc",
     "questions_and_notes": "this is only defined \"where vegetation\".  Record instead \"upwelling shortwave radiation at the surface\" where vegetation.  If albedo is recorded, then must specify \"where vegetation\" plus weighting.",
     "specific_issues": [
-        "8:Deprecate? Only 2 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 2 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 2,
     "contributing_models": 3,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: mean where land time: mean",
+    "cell_methods": "area: time: mean where vegetation (weighted by downwelling shortwave radiation at the surface)",
     "long_name": "Canopy Albedo",
     "comment": "Albedo of the vegetation: fraction of incoming solar radiation which is reflected before reaching the ground."
 }

DReq/cmip6/albdiffbnd-3hr-unknown-tpt-z0i??-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "albdiffbnd",
     "questions_and_notes": "Should this get weighted somehow?  What value does it get at night? Cell_methods should include area: mean.",
     "specific_issues": [
-        "8:Deprecate? Only 2 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 2 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 2,
     "contributing_models": 3,
@@ -20,7 +19,7 @@
         "atmos"
     ],
     "dimensions": "longitude latitude spectband time1",
-    "cell_methods": "time: point",
+    "cell_methods": "area: mean (weighted by incident surface diffuse shortwave in band) time: point",
     "long_name": "Diffuse Surface Albedo for Each Band",
     "comment": "The fraction of the surface diffuse downwelling shortwave radiation flux which is reflected. If the diffuse radiation is isotropic, this term is equivalent to the integral of surface bidirectional reflectance over all incident angles and over all outgoing angles in the hemisphere above the surface. Reported in spectral frequency bands."
 }

DReq/cmip6/albdirbnd-3hr-unknown-tpt-z0i??-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "albdirbnd",
     "questions_and_notes": "Should this get weighted somehow?  What value does it get at night?  Cell_methods should include area: mean.",
     "specific_issues": [
-        "8:Deprecate? Only 2 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 2 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 2,
     "contributing_models": 3,
@@ -20,7 +19,7 @@
         "atmos"
     ],
     "dimensions": "longitude latitude spectband time1",
-    "cell_methods": "time: point",
+    "cell_methods": "area: mean (weighted by incident surface diffuse shortwave in band) time: point",
     "long_name": "Direct Surface Albedo for Each Band",
     "comment": "The fraction of the surface direct downwelling shortwave radiation flux which is reflected. It is equivalent to the surface bidirectional reflectance at the incident angle of the incoming solar radiation and integrated over all outgoing angles in the hemisphere above the surface.  Reported in spectral frequency bands."
 }

DReq/cmip6/albisccp-day-ap-tavg-z0c-hxy.json

@@ -8,9 +8,7 @@
     "table_entry": "albisccp",
     "out_name": "albisccp",
     "questions_and_notes": "need to indicate in cell_methods that ISCCCP cloud area should be used in weighting",
-    "specific_issues": [
-        "12:Modify cell methods?"
-    ],
+    "specific_issues": [],
     "contributing_institutions": 9,
     "contributing_models": 19,
     "frequency": "day",
@@ -19,7 +17,7 @@
         "atmos"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: time: mean where cloud",
+    "cell_methods": "area: time: mean where cloud (weighted by ISCCP total cloud area and downwelling shortwave radiation)",
     "long_name": "ISCCP Mean Cloud Albedo",
     "comment": "ISCCP Mean Cloud Albedo. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html"
 }

DReq/cmip6/albisccp-mon-ap-tavg-z0c-hxy.json

@@ -8,9 +8,7 @@
     "table_entry": "albisccp",
     "out_name": "albisccp",
     "questions_and_notes": "need to indicate in cell_methods that ISCCCP cloud area should be used in weighting",
-    "specific_issues": [
-        "12:Modify cell methods?"
-    ],
+    "specific_issues": [],
     "contributing_institutions": 18,
     "contributing_models": 34,
     "frequency": "mon",
@@ -19,7 +17,7 @@
         "atmos"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: time: mean where cloud",
+    "cell_methods": "area: time: mean where cloud (weighted by ISCCP total cloud area and downwelling shortwave radiation)",
     "long_name": "ISCCP Mean Cloud Albedo",
     "comment": "ISCCP Mean Cloud Albedo. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html"
 }

DReq/cmip6/albsn-day-mr-tavg-z0i-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "albsn",
     "questions_and_notes": "For more general use, keep downwelling and upwelling surface SW where snow instead.  If albedo is requested, it should be weighted by incident shortwave.",
     "specific_issues": [
-        "9:Eliminate or deprecate?",
-        "12:Modify cell methods?"
+        "9:Eliminate or deprecate?"
     ],
     "contributing_institutions": 5,
     "contributing_models": 7,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: time: mean where snow (comment: mask=snc)",
+    "cell_methods": "area: time: mean where snow (weighted by downwelling shortwave radiation)",
     "long_name": "Snow Albedo",
     "comment": "Albedo of the snow-covered surface, averaged over the grid cell."
 }

DReq/cmip6/aoanh-mon-ac-tavg-l-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "aoanh",
     "questions_and_notes": "should this be weighted some how?  (e.g., by tracer mass or concentration or ??)",
     "specific_issues": [
-        "8:Deprecate? Only 2 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 2 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 2,
     "contributing_models": 2,
@@ -20,7 +19,7 @@
         "aerosol"
     ],
     "dimensions": "longitude latitude alevel time",
-    "cell_methods": "area: time: mean",
+    "cell_methods": "area: time: mean (weighted by tracer mass)",
     "long_name": "Northern Hemisphere Tracer Lifetime",
     "comment": "Fixed surface layer mixing ratio over 30o-50oN (0 ppbv), uniform fixed source (at all levels) everywhere else (source is unspecified but must be constant in space and time and documented). Note that the source could be 1yr/yr, so the tracer concentration provides mean age in years. For method using linearly increasing tracer include a method attribute: \"linearly increasing tracer\"For method using uniform source (1yr/yr) include a method attribute: \"uniform source\""
 }

DReq/cmip6/baresoilfrac-mon-unknown-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "baresoilFrac",
     "questions_and_notes": "Should this be undefined where sea?  Should deprecate in favor of \"where all_area_types\".  Also, it seems to be redundant with monthly fracLut; Is this the same as area_type=\"bare_ground\"?  Consider eliminating scalar dimension.",
     "specific_issues": [
-        "9:Eliminate or deprecate?",
-        "12:Modify cell methods?"
+        "9:Eliminate or deprecate?"
     ],
     "contributing_institutions": 21,
     "contributing_models": 44,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time typebare",
-    "cell_methods": "area: mean where land over all_area_types time: mean",
+    "cell_methods": "area: time: mean",
     "long_name": "Bare Soil Percentage Area Coverage",
     "comment": "Percentage of entire grid cell  that is covered by bare soil."
 }

DReq/cmip6/baresoilfrac-yr-unknown-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "baresoilFrac",
     "questions_and_notes": "Should this be undefined where sea?  Should deprecate in favor of \"where all_area_types\".  Also, it seems to be redundant with monthly fracLut; Is this the same as area_type=\"bare_ground\"?  Consider eliminating scalar dimension.",
     "specific_issues": [
-        "9:Eliminate or deprecate?",
-        "12:Modify cell methods?"
+        "9:Eliminate or deprecate?"
     ],
     "contributing_institutions": 11,
     "contributing_models": 21,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time typebare",
-    "cell_methods": "area: mean where land over all_area_types time: mean",
+    "cell_methods": "area: time: mean",
     "long_name": "Bare Soil Percentage Area Coverage",
     "comment": "Percentage of entire grid cell  that is covered by bare soil."
 }

DReq/cmip6/bigthetaoga-dec-op-tavg-z0c-hm.json

@@ -10,8 +10,7 @@
     "questions_and_notes": "Is this a column mean?  May need \"depth: mean\"",
     "specific_issues": [
         "6:Modify variable root.",
-        "8:Deprecate? Only 1 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 1 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 1,
     "contributing_models": 1,
@@ -21,7 +20,7 @@
         "ocean"
     ],
     "dimensions": " time",
-    "cell_methods": "area: mean where sea time: mean",
+    "cell_methods": "depth: area: mean where sea (over entire ocean column)  time: mean",
     "long_name": "Global Average Sea Water Conservative Temperature",
     "comment": "Diagnostic should be contributed only for models using conservative temperature as prognostic field."
 }

DReq/cmip6/bigthetaoga-mon-op-tavg-z0c-hm.json

@@ -9,8 +9,7 @@
     "out_name": "bigthetaoga",
     "questions_and_notes": "Is this a column mean?  May need \"depth: mean\"",
     "specific_issues": [
-        "6:Modify variable root.",
-        "12:Modify cell methods?"
+        "6:Modify variable root."
     ],
     "contributing_institutions": 6,
     "contributing_models": 15,
@@ -20,7 +19,7 @@
         "ocean"
     ],
     "dimensions": " time",
-    "cell_methods": "area: mean where sea time: mean",
+    "cell_methods": "depth: area: mean where sea (over entire ocean column)  time: mean",
     "long_name": "Global Average Sea Water Conservative Temperature",
     "comment": "Diagnostic should be contributed only for models using conservative temperature as prognostic field."
 }

DReq/cmip6/bs550aer-6hr-unknown-tpt-l-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "bs550aer",
     "questions_and_notes": "Should this get weighted somehow (by downwelling solar radiation perhaps)?",
     "specific_issues": [
-        "8:Deprecate? Only 1 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 1 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 1,
     "contributing_models": 1,
@@ -20,7 +19,7 @@
         "aerosol"
     ],
     "dimensions": "longitude latitude alevel time1 lambda550nm",
-    "cell_methods": "area: mean time: point",
+    "cell_methods": "area: mean (weighted by downwelling solar radiation) time: point",
     "long_name": "Aerosol Backscatter Coefficient",
     "comment": "Aerosol  Backscatter at 550nm and 180 degrees, computed from extinction and lidar ratio"
 }

DReq/cmip6/burntfractionall-mon-unknown-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "burntFractionAll",
     "questions_and_notes": "Should this be undefined where sea?  Should deprecate in favor of \"where all_area_types\".  Also, it seems to be redundant with monthly fracLut.  Consider eliminating scalar dimension.",
     "specific_issues": [
-        "9:Eliminate or deprecate?",
-        "12:Modify cell methods?"
+        "9:Eliminate or deprecate?"
     ],
     "contributing_institutions": 6,
     "contributing_models": 12,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time typeburnt",
-    "cell_methods": "area: mean where land over all_area_types time: mean",
+    "cell_methods": "area: time: mean",
     "long_name": "Percentage of Entire Grid Cell That Is Covered by Burnt Vegetation (All Classes)",
     "comment": "Percentage of grid cell burned due to all fires including natural and anthropogenic fires and those associated with anthropogenic Land-use change"
 }

DReq/cmip6/c13veg-mon-lnd-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "c13Veg",
     "questions_and_notes": "for consistency with other, similar variables, specify \"where vegetation\"",
     "specific_issues": [
-        "8:Deprecate? Only 1 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 1 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 1,
     "contributing_models": 3,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: mean where land time: mean",
+    "cell_methods": "area: time: mean where vegetation",
     "long_name": "Mass of 13C in Vegetation",
     "comment": "Carbon-13 mass content per unit area in vegetation (any living plants e.g. trees, shrubs, grass)."
 }

DReq/cmip6/c14veg-mon-lnd-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "c14Veg",
     "questions_and_notes": "for consistency with other, similar variables, specify \"where vegetation\"",
     "specific_issues": [
-        "8:Deprecate? Only 1 groups contributed this variable in CMIP6.",
-        "12:Modify cell methods?"
+        "8:Deprecate? Only 1 groups contributed this variable in CMIP6."
     ],
     "contributing_institutions": 1,
     "contributing_models": 4,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time",
-    "cell_methods": "area: mean where land time: mean",
+    "cell_methods": "area: time: mean where vegetation",
     "long_name": "Mass of 14C in Vegetation",
     "comment": "Carbon-14 mass content per unit area in vegetation (any living plants e.g. trees, shrubs, grass)."
 }

DReq/cmip6/c3pftfrac-mon-unknown-tavg-z0c-hxy.json

@@ -9,8 +9,7 @@
     "out_name": "c3PftFrac",
     "questions_and_notes": "Should this be undefined where sea?  Should deprecate in favor of \"where all_area_types\".  Also, it seems to be redundant with monthly fracLut.  Consider eliminating scalar dimension.",
     "specific_issues": [
-        "9:Eliminate or deprecate?",
-        "12:Modify cell methods?"
+        "9:Eliminate or deprecate?"
     ],
     "contributing_institutions": 17,
     "contributing_models": 32,
@@ -20,7 +19,7 @@
         "land"
     ],
     "dimensions": "longitude latitude time typec3pft",
-    "cell_methods": "area: mean where land over all_area_types time: mean",
+    "cell_methods": "area: time: mean",
     "long_name": "Percentage Cover by C3 Plant Functional Type",
     "comment": "Percentage of entire grid cell  that is covered by C3 PFTs (including grass, crops, and trees)."
 }