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GLAD experiment CODE-style drifter trajectories (low-pass filtered, 15 minute interval records), northern Gulf of Mexico near DeSoto Canyon, July-October 2012

Consortium for Advanced Research on Transport of Hydrocarbon in the Environment (CARTHE)

DOI:
10.7266/N7VD6WC8
 
UDI:
R1.x134.073:0004		 Last Update:
Nov 06 2015 16:30 UTC
 
Dataset Author(s):
Özgökmen, Tamay		 Point of Contact:
Haus, Brian
University of Miami / Rosenstiel School of Marine and Atmospheric Science
4600 Rickenbacker Causeway
Miami, Florida  33149
USA
bhaus@rsmas.miami.edu
Funding Source:
RFP-I
Data Collection Period:
2012-07-20 to 2012-10-22

Identified Submitted Review Available
3 3 3 3

Suggested Citation:

Özgökmen, Tamay (2013) GLAD experiment CODE-style drifter trajectories (low-pass filtered, 15 minute interval records), northern Gulf of Mexico near DeSoto Canyon, July-October 2012. Distributed by: Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC), Harte Research Institute, Texas A&M University-Corpus Christi. doi:10.7266/N7VD6WC8

Abstract:

297 trajectories from near-surface CODE-type ocean drifters (drogued at a depth of one meter) tracked in real-time using SPOT GPS units, launched in the northern Gulf of Mexico near DeSoto Canyon in July 2012 as part of the CARTHE Grand Lagrangian Deployment (GLAD) experiment. Most of these drifters were launched as triplets (separated by roughly 100 meters at launch) in an attempt to measure multi-scale near surface dispersion. Positions are low-pass filtered (one hour cutoff period) and interpolated to uniform 15 minute intervals starting on whole hours over the period July 20 through October 22, 2012. No temperature or salinity sensors were attached to these drifters. This dataset was created by the Consortium for Advanced Research on Transport of Hydrocarbon in the Environment (CARTHE). This research was made possible by a grant from BP/The Gulf of Mexico Research Initiative.

Purpose:

Triads of CODE style drifters (initially separated by roughly 100 meteres) were launched nearly simultaneously to measure near-surface relative dispersion over scales ranging from 100 meters to 100 km.

Theme Keywords:

drifters, dispersion, submesoscale, surface transport, CODE drifter, drifter, transport, oil spill, trajectories

File Format:

dat, txt

Filename:

GLAD_15min_filtered.zip (44.04 MB)

Dataset Downloads:

77

GLAD experiment CODE-style drifter trajectories (low-pass filtered, 15 minute interval records), northern Gulf of Mexico near DeSoto Canyon, July-October 2012



Identification Information
Distribution Information
Metadata Maintenance Information
Metadata: 
  File identifier: 
      R1.x134.073-0004-metadata.xml
  Language: 
      eng; USA
  Character set: 
    Character set code: 
      utf8
  Hierarchy level: 
    Scope code: 
      dataset
  Metadata author: 
    Responsible party: 
      Individual name: 
          Ed Ryan
      Organisation name: 
          University of Miami / Rosenstiel School of Marine and Atmospheric Science
      Position name: 
          Senior Research Associate
      Contact info: 
        Contact: 
          Phone: 
            Telephone: 
              Voice: 
                  3054214109
              Facsimile: 
          Address: 
            Address: 
              Delivery point: 
                  4600 Rickenbacker Cswy
              City: 
                  Miami
              Administrative area: 
                  Florida
              Postal code: 
                  33149
              Country: 
                  USA
              Electronic mail address: 
                  eryan@rsmas.miami.edu
      Role: 
        Role code: 
          principalInvestigator
  Date stamp: 
      2018-08-11T13:37:14+00:00
  Metadata standard name: 
      ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data
  Metadata standard version: 
      ISO 19115-2:2009(E)
  Dataset URI: 
      https://data.gulfresearchinitiative.org/metadata/R1.x134.073:0004

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  Identification info: 
    Data identification: 
      Citation: 
        Citation: 
          Title: 
              GLAD experiment CODE-style drifter trajectories (low-pass filtered, 15 minute interval records), northern 
              Gulf of Mexico near DeSoto Canyon, July-October 2012
          Alternate title: 
              GLAD experiment CODE-style drifter trajectories (low-pass filtered, 15 minute interval records)
          Date: 
            Date: 
              Date: 
                  2013-08-21
              Date type: 
                Date type code: 
                  publication
      Abstract: 
          297 trajectories from near-surface CODE-type ocean drifters (drogued at a depth of one meter) tracked in 
          real-time using SPOT GPS units, launched in the northern Gulf of Mexico near DeSoto Canyon in July 2012 as 
          part of the CARTHE Grand Lagrangian Deployment (GLAD) experiment. Most of these drifters were launched as 
          triplets (separated by roughly 100 meters at launch) in an attempt to measure multi-scale near surface 
          dispersion. Positions are low-pass filtered (one hour cutoff period) and interpolated to uniform 15 minute 
          intervals starting on whole hours over the period July 20 through October 22, 2012. No temperature or 
          salinity sensors were attached to these drifters. This dataset was created by the Consortium for Advanced 
          Research on Transport of Hydrocarbon in the Environment (CARTHE). This research was made possible by a grant 
          from BP/The Gulf of Mexico Research Initiative.
      Purpose: 
          Triads of CODE style drifters (initially separated by roughly 100 meteres) were launched nearly simultaneously 
          to measure near-surface relative dispersion over scales ranging from 100 meters to 100 km.
      Status: 
        Progress code: 
          completed
      Point of contact: 
        Responsible party: 
          Individual name: 
              Brian Haus
          Organisation name: 
              University of Miami / Rosenstiel School of Marine and Atmospheric Science
          Position name: 
              Professor
          Contact info: 
            Contact: 
              Phone: 
                Telephone: 
                  Voice: 
                      3054214932
                  Facsimile: 
              Address: 
                Address: 
                  Delivery point: 
                      4600 Rickenbacker Causeway
                  City: 
                      Miami
                  Administrative area: 
                      Florida
                  Postal code: 
                      33149
                  Country: 
                      USA
                  Electronic mail address: 
                      bhaus@rsmas.miami.edu
          Role: 
            Role code: 
              principalInvestigator
      Descriptive keywords: 
        Keywords: 
          Keyword: 
              drifters
          Keyword: 
              dispersion
          Keyword: 
              submesoscale
          Keyword: 
              surface transport
          Keyword: 
              CODE drifter
          Keyword: 
              drifter
          Keyword: 
              transport
          Keyword: 
              oil spill
          Keyword: 
              trajectories
          Type: 
            Keyword type code: 
              theme
      Descriptive keywords: 
        Keywords: 
          Keyword: 
              Gulf of Mexico
          Keyword: 
              De Soto Canyon
          Type: 
            Keyword type code: 
              place
      Language: 
          eng; USA
      Topic category: 
        Topic category code: 
          oceans
      Topic category: 
        Topic category code: 
          environment
      Extent: 
        Extent: 
          Geographic element: 
            Geographic bounding box: 
              West bound longitude: 
                  -95.0623
              East bound longitude: 
                  -82.2385
              South bound latitude: 
                  22.0661
              North bound latitude: 
                  30.1222
          Geographic element: 
            BoundingPolygon: 
              Polygon: 
                Polygon: 
                  Outer boundary: 
                    Linear ring: 
                      gml:posList: 
                        29.893 -85.9657 29.9802 -86.211 29.9811 -86.214 29.988 -86.238 29.9888 -86.2412 29.9895 -86.2446 
                        29.9901 -86.248 30.0442 -86.5737 30.0445 -86.5757 30.0446 -86.5777 30.0124 -86.8027 29.9778 
                        -86.9086 29.949 -87.0227 29.9398 -87.0778 29.8977 -87.1224 29.7845 -87.2724 29.8186 -87.4057 
                        29.8857 -87.587 29.8769 -87.7232 29.9944 -88.0854 30.1061 -88.3134 30.1188 -88.3918 30.1191 
                        -88.3996 30.1222 -88.6809 30.1221 -88.6853 30.1219 -88.6896 30.1215 -88.6939 30.1209 -88.6982 
                        30.1201 -88.7025 30.082 -88.8929 30.0809 -88.8977 29.4307 -89.1912 29.1562 -88.9239 28.8062 
                        -89.5071 29.2138 -89.4826 29.2779 -89.6297 29.3067 -89.7335 29.0533 -89.9745 29.0405 -90.4257 
                        28.8718 -90.0254 28.8573 -90.1567 28.8355 -90.3198 28.7828 -90.6188 28.9932 -91.683 29.0319 
                        -91.9043 29.0031 -92.4007 29.0107 -92.4068 28.8253 -93.0031 28.8232 -93.0089 28.8229 -93.0096 
                        28.7327 -92.8876 28.4882 -92.3337 28.4406 -92.2517 28.6208 -91.8589 28.529 -91.4765 28.3457 
                        -90.6248 28.0988 -90.7115 27.8789 -90.8575 27.7384 -90.9297 27.5131 -90.6822 26.3114 -90.0651 
                        25.5552 -89.9307 25.637 -90.4872 27.0373 -91.9733 27.1032 -92.3767 27.607 -93.1318 27.671 
                        -93.2614 27.6259 -93.3405 27.4744 -93.4312 26.8396 -94.2341 27.1492 -94.7161 28.141 -94.3653 
                        28.259 -94.3739 28.2589 -94.374 28.2574 -94.3763 28.2571 -94.3768 28.2568 -94.3772 28.2528 
                        -94.3823 28.1159 -94.5406 28.114 -94.5425 28.1119 -94.5444 27.5946 -95.009 27.5929 -95.0106 
                        27.5911 -95.012 27.5893 -95.0134 27.5875 -95.0147 27.5857 -95.016 27.5838 -95.0172 27.582 
                        -95.0184 27.5802 -95.0195 27.5783 -95.0207 27.5765 -95.0218 27.5747 -95.0228 27.5728 -95.0237 
                        27.5709 -95.0245 27.569 -95.0253 27.5671 -95.0261 27.5652 -95.0267 27.5633 -95.0274 27.5615 
                        -95.028 27.5596 -95.0285 27.449 -95.0615 27.4473 -95.0619 27.4455 -95.0622 27.4436 -95.0623 
                        27.4417 -95.0622 27.4309 -95.0618 27.4288 -95.0617 27.4269 -95.0614 26.4844 -94.9082 26.7823 
                        -93.8049 26.7198 -93.5743 26.803 -93.2482 26.9515 -92.7127 25.7265 -92.2834 25.3014 -92.0196 
                        25.0105 -91.5155 24.6813 -91.1343 24.3321 -91.018 23.893 -90.642 24.067 -91.2695 23.6935 
                        -91.3043 23.3593 -92.3688 23.345 -92.3928 23.3401 -92.3004 23.3509 -91.9987 23.4249 -91.7815 
                        23.6368 -91.2499 23.4233 -91.2996 23.3587 -91.301 23.2515 -91.3248 23.0542 -91.479 22.6383 
                        -91.7645 22.7848 -91.5921 23.3346 -91.1739 23.2907 -90.7833 23.2695 -90.5472 23.3383 -90.3521 
                        23.4307 -89.8188 23.1403 -89.5814 22.6692 -88.6995 22.5824 -87.7878 22.1675 -87.0777 22.0754 
                        -86.7571 22.0661 -86.6663 22.0672 -86.6626 22.0684 -86.6591 22.0696 -86.6558 22.1275 -86.5021 
                        22.1283 -86.5001 22.2871 -86.3396 22.4639 -86.1741 22.6507 -85.8275 23.2543 -84.8049 23.4115 
                        -84.6372 24.0332 -84.1116 24.5299 -83.4966 24.2857 -82.8662 24.2288 -82.4289 24.2315 -82.2385 
                        24.4316 -83.1649 24.6959 -83.2792 25.2287 -83.9684 26.0197 -85.1509 26.2678 -84.9802 26.4406 
                        -85.036 26.7152 -85.1428 26.7707 -84.8704 26.8126 -84.8145 27.0031 -84.5725 27.0425 -84.4541 
                        26.7961 -84.4616 26.7886 -84.4 26.8963 -84.0853 26.9578 -83.9541 27.2019 -83.9043 27.3727 
                        -83.9149 27.6121 -83.94 27.8806 -83.9829 28.1455 -83.9299 28.5458 -84.1643 28.7557 -84.2419 
                        28.8762 -84.2232 28.8769 -84.2237 29.131 -84.4609 29.179 -84.5163 29.1795 -84.517 29.1897 
                        -84.5549 28.9535 -84.7369 28.9992 -84.7559 29.0068 -84.7628 29.0333 -84.8041 29.0177 -84.9858 
                        29.0773 -84.9474 29.1177 -84.9877 29.1185 -85.0127 29.0882 -85.0534 29.0552 -85.052 28.9537 
                        -84.9913 28.9198 -85.0042 29.1768 -85.281 29.274 -85.4083 29.3012 -85.3878 29.3744 -85.3659 
                        29.4413 -85.3802 29.4629 -85.331 29.4704 -85.3061 29.5524 -85.3312 29.578 -85.3415 29.5935 
                        -85.3633 29.6477 -85.4079 29.6585 -85.4185 29.6588 -85.4191 29.884 -85.9419 29.8848 -85.9437 
                        29.8855 -85.9455 29.8862 -85.9473 29.8924 -85.9638 29.893 -85.9657
          Temporal element: 
            Temporal extent: 
              Extent: 
                Time period: 
                  Description: 
                    ground condition
                  Begin date: 
                    2012-07-20
                  End date: 
                    2012-10-22
      Supplemental Information: 
          Column 1: drifter ID string (like CARTHE_XXX, XXX=3 digit integer) Column 2: date (yyyy-mm-dd) Column 3: time 
          (HH:MM:SS.SS) Column 4: latitude (decimal degrees) Column 5: longitude (decimal degrees) Column 6: estimated 
          position error (meters) Column 7: u (east-west) velocity (m/sec) Column 8: v (north-south) velocity (m/sec) 
          Column 9: estimated velocity error (m/sec) |GLAD CODE drifter positions were reported in real-time roughly 
          every five minutes via the Globalstar satellite network. Positions reported by the SPOT handheld GPS units 
          inside each drifter were nominally accurate to within seven meters. Occasionally, position errors much 
          larger than this nominal value are found. These may be due to errors in GPS baselines (due to poor satellite 
          reception), data dropout, and, in some cases, drifters that were picked up by small boats. Each drifter 
          record ends when the drifter was known to be picked up by a boat, when the signal was lost for more than 24 
          hours, or when the drifter traveled more than 80 km in a 12 hours period (implying a mean speed of 1.85 
          m/sec over 12 hours). For each record, positions that imply an instantaneous drifter speed greater than 3 
          m/sec were deleted. Also, positions that imply the drifter track rotated through more than 360 compass 
          degrees within three hours were deleted. Next, outliers were identified as positions that were more than 100 
          meters away from estimated positions at the same times interpolated from a set of both past and future 
          positions. These outliers were deleted. All valid positions were then interpolated to uniform, five-minute 
          time intervals using spline interpolation. These five-minute records were used to compute finite difference 
          estimates of u (east-west) and v (north-south) velocities. Finally, the five-minute position and velocity 
          records were filtered using a Butterworth fourth-order low-pass filter with a one hour period cutoff. These 
          low-pass filtered records were then interpolated to uniform 15-minute intervals beginning on whole hours. 
          Crude estimates of position error are also provided for each position in the final 15-minute interval 
          records. The error was set to 10 meters (a nominal value) for positions recorded at times for which there 
          were no gaps in the five-minute raw data records over the previous hour. The error was increased according 
          to the ratio of the average sample time interval for the previous 12 raw data positions to the nominal 
          sample interval of 5 minutes, multiplied by the 10 meter nominal error value. Velocity errors were computed 
          by dividing the sum of two consecutive position errors by the corresponding time interval.|CODE II drifter 
          body with SPOT Satellite GPS Messenger (orange).|Raw drifter positions were low-pass filtered (one hour 
          cutoff period) and interpolated to uniform 15 minute intervals starting on whole hours.||

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  Distribution info: 
    Distribution: 
      Distributor: 
        Distributor: 
          Distributor contact: 
            Responsible party: 
              Organisation name: 
                  Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC)
              Contact info: 
                Contact: 
                  Phone: 
                    Telephone: 
                      Voice: 
                          3618253604
                  Address: 
                    Address: 
                      Delivery point: 
                          6300 Ocean Drive
                      City: 
                          Corpus Christi
                      Administrative area: 
                          TX
                      Postal code: 
                          78412
                      Country: 
                          USA
                      Electronic mail address: 
                          griidc@gomri.org
                  Online Resource: 
                    Online Resource: 
                      Linkage: 
                        URL: 
                          https://data.gulfresearchinitiative.org
              Role: 
                Role code: 
                  distributor
          Distributor format: 
            Format: 
              Name: 
                  dat, txt
              Version: 
                inapplicable
              File decompression technique: 
                  zip
          Distributor transfer options: 
            Digital transfer options: 
              Transfer size: 
                  44.0409
              Online: 
                Online Resource: 
                  Linkage: 
                    URL: 
                      https://data.gulfresearchinitiative.org/data/R1.x134.073:0004
                  Protocol: 
                      https

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  Metadata maintenance: 
    Maintenance information: 
      Maintenance and update frequency: 
        unknown
      Maintenance note: 
          This ISO metadata record was automatically generated from information provided to GRIIDC for dataset: 
          R1.x134.073:0004 on 2019-02-17T13:35:59+00:00

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Publications:

Berta, M., Griffa, A., Magaldi, M. G., Özgökmen, T. M., Poje, A. C., Haza, A. C., & Olascoaga, M. J. (2012). Improved Surface Velocity and Trajectory Estimates in the Gulf of Mexico from Blended Satellite Altimetry and Drifter Data. Journal of Atmospheric and Oceanic Technology, 150904105051007. doi:10.1175/jtech-d-14-00226.1

Carrier, M. J., Ngodock, H., Smith, S., Jacobs, G., Muscarella, P., Ozgokmen, T., … Lipphardt, B. (2014). Impact of Assimilating Ocean Velocity Observations Inferred from Lagrangian Drifter Data Using the NCOM-4DVAR*. Monthly Weather Review, 142(4), 1509–1524. doi:10.1175/mwr-d-13-00236.1

Coelho, E. F., Hogan, P., Jacobs, G., Thoppil, P., Huntley, H. S., Haus, B. K., … Wei, M. (2015). Ocean current estimation using a Multi-Model Ensemble Kalman Filter during the Grand Lagrangian Deployment experiment (GLAD). Ocean Modelling, 87, 86–106. doi:10.1016/j.ocemod.2014.11.001

Jacobs, G. A., Bartels, B. P., Bogucki, D. J., Beron-Vera, F. J., Chen, S. S., Coelho, E. F., … Wei, M. (2014). Data assimilation considerations for improved ocean predictability during the Gulf of Mexico Grand Lagrangian Deployment (GLAD). Ocean Modelling, 83, 98–117. doi:10.1016/j.ocemod.2014.09.003

Muscarella, P., Carrier, M. J., Ngodock, H., Smith, S., Lipphardt, B. L., Kirwan, A. D., & Huntley, H. S. (2015). Do Assimilated Drifter Velocities Improve Lagrangian Predictability in an Operational Ocean Model? Monthly Weather Review, 143(5), 1822–1832. doi:10.1175/mwr-d-14-00164.1

Olascoaga, M. J., Beron-Vera, F. J., Haller, G., Triñanes, J., Iskandarani, M., Coelho, E. F., … Valle-Levinson, A. (2013). Drifter motion in the Gulf of Mexico constrained by altimetric Lagrangian coherent structures. Geophysical Research Letters, 40(23), 6171–6175. doi:10.1002/2013gl058624

Poje, A. C., Ozgokmen, T. M., Lipphardt, B. L., Haus, B. K., Ryan, E. H., Haza, A. C., … Mariano, A. J. (2014). Submesoscale dispersion in the vicinity of the Deepwater Horizon spill. Proceedings of the National Academy of Sciences, 111(35), 12693–12698. doi:10.1073/pnas.1402452111

Yaremchuk, M., & Coelho, E. F. (2015). Filtering Drifter Trajectories Sampled at Submesoscale Resolution. IEEE J. Oceanic Eng., 40(3), 497–505. doi:10.1109/joe.2014.2353472

Curcic, M., Chen, S. S., & Özgökmen, T. M. (2016). Hurricane-induced ocean waves and stokes drift and their impacts on surface transport and dispersion in the Gulf of Mexico. Geophysical Research Letters, 43(6), 2773–2781. doi:10.1002/2015gl067619

Mariano, A. J., Ryan, E. H., Huntley, H. S., Laurindo, L. C., Coelho, E., Griffa, A., … Wei, M. (2016). Statistical properties of the surface velocity field in the northern Gulf of Mexico sampled by GLAD drifters. Journal of Geophysical Research: Oceans, 121(7), 5193–5216. doi:10.1002/2015jc011569

Beron-Vera, F. J., & LaCasce, J. H. (2016). Statistics of Simulated and Observed Pair Separations in the Gulf of Mexico. Journal of Physical Oceanography, 46(7), 2183–2199. doi:10.1175/jpo-d-15-0127.1

Berta, M., Griffa, A., Özgökmen, T. M., & Poje, A. C. (2016). Submesoscale evolution of surface drifter triads in the Gulf of Mexico. Geophysical Research Letters, 43(22), 11,751–11,759. doi:10.1002/2016gl070357

Miron, P., Beron-Vera, F. J., Olascoaga, M. J., Sheinbaum, J., Pérez-Brunius, P., & Froyland, G. (2017). Lagrangian dynamical geography of the Gulf of Mexico. Scientific Reports, 7(1). doi:10.1038/s41598-017-07177-w

Duran, R., Beron-Vera, F. J., & Olascoaga, M. J. (2018). Extracting quasi-steady Lagrangian transport patterns from the ocean circulation: An application to the Gulf of Mexico. Scientific Reports, 8(1). doi:10.1038/s41598-018-23121-y

Olascoaga, M. J., Miron, P., Paris, C., Pérez-Brunius, P., Pérez-Portela, R., Smith, R. H., & Vaz, A. (2018). Connectivity of Pulley Ridge with remote locations as inferred from satellite-tracked drifter trajectories. Journal of Geophysical Research: Oceans. doi:10.1029/2018jc014057