Environmental Data Collection Using Autonomous Wave Gliders

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1 CRUSER Monthly meeting presentation 06Oct2014 Environmental Data Collection Using Autonomous Wave Gliders LCDR Kate Hermsdorfer Qing Wang, Dick Lind, Ryan Yamaguchi Meteorology Department, NPS John Kalogiros (NPS contractor) National Observatory of Athens, Athens, Greece Kevin Smith Physics Department, NPS

2 Report Documentation Page Form Approved OMB No Public reporting burden for the collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington VA Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to a penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. 1. REPORT DATE OCT REPORT TYPE 3. DATES COVERED to TITLE AND SUBTITLE Environmental Data Collection Using Autonomous Wave Gliders 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) 5d. PROJECT NUMBER 5e. TASK NUMBER 5f. WORK UNIT NUMBER 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) Naval Postgraduate School,Department of Meteorology,Monterey,CA, PERFORMING ORGANIZATION REPORT NUMBER 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSOR/MONITOR S ACRONYM(S) 12. DISTRIBUTION/AVAILABILITY STATEMENT Approved for public release; distribution unlimited 13. SUPPLEMENTARY NOTES 14. ABSTRACT 11. SPONSOR/MONITOR S REPORT NUMBER(S) 15. SUBJECT TERMS 16. SECURITY CLASSIFICATION OF: 17. LIMITATION OF ABSTRACT a. REPORT unclassified b. ABSTRACT unclassified c. THIS PAGE unclassified Same as Report (SAR) 18. NUMBER OF PAGES 18 19a. NAME OF RESPONSIBLE PERSON Standard Form 298 (Rev. 8-98) Prescribed by ANSI Std Z39-18

3 Overview Wave Glider (SHARC) What CRUSER Funded Research Goals Why Naval Applications How Sensor Integration and Field Tests Results Future Work

4 SHARC Created by LRI in 2007 Wave-powered 1.5 kts average 1 year endurance! Two empty payload bays Nav/Comms Iridium Uses NPS has two SHARCs!

5 Original SHARC Sensor Mako LRI Basic METOC model AIRMAR PB200 weather station Pressure, Temperature, Wind Speed and Direction 10 min averaged data

6 Previous Evaluation Efforts Existing measurements NAVO comparisons (David Wang, NRL, 2012) PacX Data 5

7 Project Objectives Evaluate default SHARC METOC sensor Develop and integrate new METOC payload using sensors with known measurement quality Field experiment for Airmar and new METOC payload evaluation Co-deploy SHARC with NPS MASFlux Buoy Evaluate SHARC as a platform for near-surface data collection for various Naval applications Electromagnetic (EM) wave propagation Forecast model evaluation

8 Near-Surface Physical Processes

9 Naval Applications Forecast Evaluation and Improvement Near-surface observations Coupled model Surface flux parameterization EM Propagation Evaporative duct study Observations for input into operational propagation models as tactical decision aids (Frederickson et al, 2000)

10 Marine Air-Sea Flux (MASFlux) Buoy SHARC as a METOC Platform Direct flux measurements Bulk flux estimates 2-D wave spectra Top water layer temperature Fixed location/drifting Limited sea conditions (From Liquid Robo.cs Federal Product Specifica.on, SV3) Bulk flux estimates 2-D wave spectra Water temperature profile Autonomous Broad sea conditions

11 Instrument Development New METOC Mast for SHARC Sensor Measured variables Rotronic Model MP100H Temperature Vaisala Weather WTX520 Transmitter Relative humidity Wind speed and direction Barometric pressure Temperature WTX520 Garmin GPS 1 m Relative Humidity Campbell Scientific Temperature Probe Model 109SS Sea water temperature Rotronic Garmin GPS16-HVS Position Velocity Magnetic declination True North Revolution Technologies GS Gyro Stabilized Electronic Compass Heading Pitch Roll VectorNav VN-100 Rugged Accelerometer Angular rates, linear accelerations Magnetic field components Additional batteries (in Forward Bay) Data Acquisition System (in Aft Bay)

12 METOC Payload At Sea Testing Three deployments Monterey Bay Day 3: 1.5 m swells! Five hours of data collected each underway Deployment / Recovery Non-trivial!

13 The Fun Stuff! R/V Fulmar Data Acquisition System Me at Sea! MASFlux and SHARC co-deployment Preparation

14 Deployment / Recovery Challenging! Ensure safety and security of sensors and SHARC Used Fulmar A-Frame Progressively added taglines Increased stability Decreased risk of collision between SHARC and R/V Training: Final Day of Field Work:

15 Initial Results 1018 _ MASFiux (1.83m) - SV2(1m)... ~ Airmar (1m) ~ = -("a D..,l; - ~ ::J 0 0 ~ ~ I I L..1_7,_; : :0--0:----:-20:-":0:-:0:-----=-2-:-"1 Time (HH:MM UTC) :~00 13 ' ' r - -g 2 ).... l... --Wspd Sonic (3.48 m) i ; - Wspd2 (1.83 m) 1... : ~... - Wspd1 (0.87 m) ~ - SV2 --Airmar OL--~----_.--~------~~~--~~ 17:00 18:00 19:00 20:00 21 :00 Time (HH:MM UTC)

16 Initial Results (cont) MASFiux T4 (3.07 m) 23,...--~ r , T3 (1.54 m) :... : - T2(0.77m)...: ,,...,.,, T T1 (0.38 m).. I \. : ~ I \ ~ --SV2... :...c : / '... :.'... ~.:.;.._;~~.; ~ ~ t:"'.,...' '...''...!~... ~...'...''... '...:';".~...;. ;...'....' ' u-21 ~ %i'' j '...---: ~ i : /. '... / : : - \ > ~ ~ ~ \... : = : \ : : \ : \ : \... ~ ~ [.. ~ :-..,.~ ~.:: ::.: ::. j-;-/ ~~ ~~ ~ ~ ;.::~~ ~ : :.. 15~--_ ~ ~~ 17:00 18:00 19:00 Time (HH:MM UTC) 20:00 21 :00

17 Ongoing Evaluation Static Comparison Controlled Environment Eliminate SHARC movement Eliminate Airmar algorithm Sampled at same rate (1 Hz) Compare raw data

18 Future Work Further data analysis Paves the way CASPER (presentation by Qing Wang Nov 03 CRUSER Monthly meeting) Duck, NC Southern CA EM Propagation Direct Flux Sensing payload Including water vapor flux! Not currently available at near-surface level

19 Questions/Comments 18

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