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利用Matlab读取降水的nc文件后,得到如下信息:
time
Size: 12x1
Dimensions: time
Datatype: double
Attributes:
units = 'hours since 1800-01-01 00:00:0.0'
long_name = 'Time'
delta_t = '0000-01-00 00:00:00'
avg_period = '0030-00-00 00:00:00'
prev_avg_period = '0000-01-00 00:00:00'
standard_name = 'time'
axis = 'T'
actual_range = [-15769752 -15761736]
climatology = 'climatology_bounds'
climo_period = '1981/01/01 - 2010/12/31'
ltm_range = [1586616 1848840]
interpreted_actual_range = '0001/01/01 00:00:00 - 0001/12/01 00:00:00'
climatology_bounds
Size: 2x12
Dimensions: nbnds,time
Datatype: double
Attributes:
long_name = 'Climate Time Boundaries'
units = 'hours since 1800-01-01 00:00:0.0'
此处产生两个疑问:一是 time 中的actual_range = [-15769752 -15761736],为什么是负数啊?
二是 climatology_bounds是什么意思?它的单位 units ='hours since 1800-01-01 00:00:0.0'要怎么理解呢?
恳请各位大师不吝赐教~~~
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