changed all float time variables to double

ch05.adoc

@@ -831,7 +831,7 @@ variables:
     lat:long_name = "latitude" ;
     lat:units = "degrees_north" ;
     lat:bounds = "lat_vertices" ;
-  float time(time) ;
+  double time(time) ;
     time:long_name = "time" ;
     time:units = "days since 1979-01-01" ;
   float cell_area(cell) ;
@@ -1022,7 +1022,7 @@ variables:
     mesh_edge_nodes:long_name = "Maps each edge to the 2 nodes it connects" ;
 
   // Coordinate variables
-  float time(time) ;
+  double time(time) ;
     time:standard_name = "time" ;
     time:units = "days since 2004-06-01" ;
 

ch06.adoc

@@ -92,7 +92,7 @@ dimension:
   string80 = 80 ;
   taxon = 2 ;
 variables:
-  float time(time);
+  double time(time);
     time:standard_name = "time" ;
     time:units = "days since 2019-01-01" ;
   float abundance(time,taxon) ;

ch07.adoc

@@ -224,7 +224,7 @@ variables:
     lat:long_name = "latitude" ;
     lat:units = "degrees_north" ;
     lat:bounds="lat_vertices" ;
-  float time(time) ;
+  double time(time) ;
     time:long_name = "time" ;
     time:units = "days since 1979-01-01 0:0:0" ;
   float cell_area(cell) ;
@@ -299,7 +299,7 @@ variables:
   double time_bnds(time,nv);
 data:
   time = 0., 12., 24., 36., 48.;
-  time_bnds = -12.,0., 0.,12., 12.,24., 24.,36., 36.,48.;
+  time_bnds = -12., 0., 0., 12., 12., 24., 24., 36., 36., 48.;
 ----
 Note that in this example the time axis values coincide with the end of each interval.
 It is sometimes desirable, however, to use the midpoint of intervals as coordinate values for variables that are representative of an interval.
@@ -363,10 +363,10 @@ variables:
     TS_var:long_name="surface air temperature variance"
     TS_var:units="K2";
     TS_var:cell_methods="time: variance (interval: 1 hr comment: sampled instantaneously)";
-  float time(time);
+  double time(time);
     time:units="days since 1990-01-01 00:00:00";
     time:bounds="time_bnds";
-  float time_bnds(time,nv);
+  double time_bnds(time,nv);
 data:
   time=.5;
   time_bnds=0.,1.;