Environmental Data Server
Global Lagrangian Drifter Data
Data Selection

FTP Instructions for Downloading the Entire Data Set:

To FTP all the data files (ASCII text ASCII compressed format):

Login as an 'anonymous' user to ftp.aoml.noaa.gov and proceed as follows:


At the system (e.g. unix) prompt enter commands shown after the ftp prompt (ftp>).


unix> ftp ftp.aoml.noaa.gov
ftp> binary
ftp> cd phod/pub/buoydata
ftp> prompt off
ftp> mget *
ftp> quit


Or go directly to:
ftp://ftp.aoml.noaa.gov/pub/phod/buoydata/ and download all the files you need.


All the drifter data is broken into four smaller files for easier downloading and updating.


The file "buoydata_1_5000.dat-gz" contains data from the earliest 5000 drifters. This file was revised and completed on May 2016, you need to update it if your version is prior to this date.


The file "buoydata_5001_10000.dat-gz" contains drifters 5001 through 10000. This file was revised and completed on May 2016, you need to update it if your version is prior to this date.


The file "buoydata_10001_15000.dat-gz" contains drifters 10001 through 15000. This file was revised and completed on May 2016, you need to update it if your version is prior to this date.


The file "buoydata_15001_MMMYY.dat-gz" contains the updated data, through month MMM of year YY.This file was revised and completed on May 2016, you need to update it if your version is prior to this date.


These data files are accompanied by metadata directory files containing deployment time and position, drogue off date, last time and position, death code, etc. for each drifter. The directory file for the drifters in "buoydata_1_5000.dat-gz" is called "dirfl_1_5000.dat". The directory file for "buoydata_5001_10000.dat-gz" is called "dirfl_5001_10000.dat". The directory file for the drifters in "buoydata_10001_15000.dat-gz" is called "dirfl_10001_15000.dat".


The directory file for "buoydata_15001_MMMYY.dat-gz" is called "dirfl_15001_MMMYY.dat". This file is updated each time the data base is updated.


The final versions of files: buoydata_1_5000.dat-gz, buoydata_5001_10000.dat-gz, buoydata_10001_15000.dat-gz, dirfl_1_5000.dat, dirfl_5001_10000.dat, and dirfl_10001_15000.dat were created on May 2016 with the most up to date information, including the final drogue status reanalysis.


For more information, click here.