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发表于 2015-7-6 14:58:09
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Format:
classic
Global Attributes:
title = 'Mesoscale Eddies in Altimeter Observations of SSH'
institution = 'Oregon State University/CEOAS'
file_name = 'tracks.20130125.nc'
file_creation_time = '2013May06 15:53:30'
data_process_date = '20130125'
data_start_date = 'Oct 14, 1992'
data_end_date = 'Apr 4, 2012'
authors = 'Dudley Chelton and Michael Schlax'
inquiries_to = 'Eric Beals (beals@coas.oregonstate.edu)'
Dimensions:
Nobs = 2590938
Variables:
track
Size: 2590938x1
Dimensions: Nobs
Datatype: int32
Attributes:
units = 'ordinal'
min = 1
max = 2.15e+05
long_name = 'track number'
description = 'eddy identification number'
n
Size: 2590938x1
Dimensions: Nobs
Datatype: int32
Attributes:
units = 'ordinal'
min = 4
max = 307
long_name = 'observation number'
description = 'observation sequence number (7 day intervals)'
j1
Size: 2590938x1
Dimensions: Nobs
Datatype: int32
Attributes:
units = 'days'
min = 2.45e+06
max = 2.46e+06
long_name = 'Julian date'
description = 'date of this observation'
reference = 2.45e+06
reference_description = 'Julian date at Jan 1, 1992'
cyc
Size: 2590938x1
Dimensions: Nobs
Datatype: int32
Attributes:
units = 'boolean'
min = -1
max = 1
long_name = 'cyclonic'
description = 'cyclonic -1; anti-cyclonic +1'
lon
Size: 2590938x1
Dimensions: Nobs
Datatype: single
Attributes:
units = 'degrees east'
min = 263
max = 649
long_name = 'longitude'
description = 'longitude of this observation'
note = 'To avoid jumps of ~360 deg in eddy tracks when the trajectory wraps around a longitude branch point that might lie in a region of interest, the longitude domain is set to 260E-650E. With this range, the only eddies with trajectories that might be affected will be those passing through the Drake Passage.'
lat
Size: 2590938x1
Dimensions: Nobs
Datatype: single
Attributes:
units = 'degrees north'
min = -75.9
max = 79.5
long_name = 'latitude'
description = 'latitude of this observation (negative for southern hemisphere)'
A
Size: 2590938x1
Dimensions: Nobs
Datatype: single
Attributes:
units = 'cm'
min = 1
max = 126
long_name = 'amplitude'
description = 'magnitude of the height difference between the extremum of SSH within the eddy and the SSH around the contour defining the eddy perimeter'
L
Size: 2590938x1
Dimensions: Nobs
Datatype: single
Attributes:
units = 'km'
min = 9.43
max = 444
long_name = 'radius scale'
description = 'radius of a circle whose area is equal to that enclosed by the contour of maximum circum-average speed'
U
Size: 2590938x1
Dimensions: Nobs
Datatype: single
Attributes:
units = 'cm/sec'
min = 0.588
max = 564
long_name = 'maximum circum-averaged speed'
description = 'average speed of the contour defining the radius scale L' |
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