hadoop权威指南中的ncdc数据下载地址及命令

- 日理万妓 2022-03-31 11:20 268阅读 0赞

> 如题：给出hadoop权威指南--NCDC1929-2011数据下载地址

[ftp://ftp.ncdc.noaa.gov/pub/data/gsod/][ftp_ftp.ncdc.noaa.gov_pub_data_gsod]

命令：  
  
The data are available via:  
1) WWW -- http://www.ncdc.noaa.gov/cgi-bin/res40.pl?page=gsod.html  
2) FTP -- ftp://ftp.ncdc.noaa.gov/pub/data/gsod via browser  
3) Command line ftp:  
  
a) Enter: open ftp.ncdc.noaa.gov  
  
b) Login is: ftp  
  
c) Password is: your email address  
  
d) To move to the correct subdirectory, enter:  
cd /pub/data/gsod  
  
The files included in this subdirectory are:  
  
Data Files--  
  
Annual files:  
eg, gsod\_2006.tar - All 2006 files (compressed) by station, in one tar file.  
etc, etc - For each annual volume.  
Note: Each year's data are contained in subdirectories/folders by year.  
  
Station files:  
eg, 010010-99999-2006.op.gz - Files by station year, identified by WMO number,  
WBAN number (if appropriate), and year. For a cross reference of the  
filenames with location, see:  
ish-history.txt  
  
Informational/Utility Files--  
  
country-list.txt - A list showing the station number range for  
each country.  
  
ish-history.txt -- A station list to be used with the data files,  
showing the names and locations for each station.  
Note: Global summary of day contains a subset of the  
stations listed in this station history.  
  
readme.txt - A description of the data and its format.  
  
e) To get a copy of the data description, enter:  
get readme.txt destination (destination is your  
output location and name)...e.g.--  
get readme.txt c:readme.txt - copies to hard drive c:  
  
f) Then, to get a copy of any of the other files, use  
the same procedure, such as--  
get gsod\_2006.tar c:data.txt  
  
g) To logoff the system when finished, enter:  
bye

[ftp_ftp.ncdc.noaa.gov_pub_data_gsod]: ftp://ftp.ncdc.noaa.gov/pub/data/gsod/