Attributes { X { Float32 pointwidth 2.5; Int32 gridtype 0; String units "degree_east"; } Y { Float32 pointwidth 2.5; Int32 gridtype 0; String units "degree_north"; } T { Float32 pointwidth 12.0; String calendar "360"; Int32 gridtype 0; String units "months since 1960-01-01"; } pdsi { String iridl:hasSemantics "iridl:PalmerDroughtSeverityIndex"; String units "unitless"; Float32 missing_value -99.999001; } NC_GLOBAL { String Conventions "IRIDL"; String references "Cook_etal2010"; String description "Reconstruction of Palmer Drought Severity Index for Monsoon Asia based on tree ring data"; URL Asian_Overview "http://www.ldeo.columbia.edu/res/fac/trl/research/AsiaMonsoon/AsiaOverview.html"; String long_name "Monsoon Asia Drought Atlas"; String iridl:hasSemantics "gcmd:Tree_Rings"; } }