Sonartech AtlasSonartech AtlasSonartech AtlasSonartech Atlas

Third Generation ATLAS Third Generation ATLAS HydrosweepHydrosweep

Australian Hydrographic Society Seminar

13 September 201013 September 2010

Andrew Brewer

The ATLAS HYDROSWEEP FamilyHYDROSWEEP

DSHYDROSWEEP

MD/30

The ATLAS HYDROSWEEP FamilyHYDROSWEEP

MD/50

50 kH f 2 500

30 kHz cf, 7,000 m

50 kHz cf, 2,500 m

15.5 kHz cf, 11,000 mMax depths - dependant on local bottomand environmental conditions

Dateiname/ 2 / 15.09.2010 15:53 2Slide 2

Features of the HYDROSWEEP MD/50Features of the HYDROSWEEP MD/50

Operating frequency 52 to 62 kHz ChirpDepth range more than 5 - 2500 mSwath up to 6 times depthSwath up to 6 times depthAccuracy better than 0.2% depth3840 soundings at 4x multi-pingExceptional resolutionSidescan and backscatter data Water column analysisWater column analysisSub-bottom profiling option

Dateiname/ 3 / 15.09.2010 15:53 3Slide 3

Features of the HYDROSWEEP MD/30Features of the HYDROSWEEP MD/30

Operating frequency 24 to 30 kHzDepth range more than 5 - 7000 mSwath up to 5 5 times depthSwath up to 5.5 times depthAccuracy better than 0.2% depth2880 soundings at 3x multi-pingExceptional resolutionSidescan and backscatter data Water column analysisWater column analysisSub-bottom profiling option

Dateiname/ 4 / 15.09.2010 15:53 4Slide 4

Features of the HYDROSWEEP DSFeatures of the HYDROSWEEP DS

Operating frequency 14 to 16 kHz ChirpOperating frequency 14 to 16 kHz ChirpDepth range 10 - 11,000 mSwath up to 5.5 times depth(b tt th 30 k )(better than 30 km)

Accuracy better than 0.2% depth1920 soundings at 2x multi-pingExceptional resolution Sidescan and backscatter dataWater column analysisWater column analysisSub-bottom profiling option

Dateiname/ 5 / 15.09.2010 15:53 5Slide 5

Features of the Parasound SBPFeatures of the Parasound SBP

Parametric and conventional sub-bottom profiling

Measures sedimentary thickness from 10 m to more than 200m at full ocean depthmore than 200m at full ocean depth

Operates parametrically at 500Hz to 6 kHzHigh freq mode 10 to 33 kHzSediment layer resolution <15 cmBarker, Chirp or user defined pulsesM ltib i l b h diMultibeam, single-beam echo soundingMax 75 kW with Whale Warning ModeNo extra inboard electronics ifNo extra inboard electronics if

HYDROSWEEP variant installed

Dateiname/ 6 / 15.09.2010 15:53 6Slide 6

So who has them?So who has them?

Spanish National Research CouncilSpanish National Research Council

Spanish research vessel Sarmiento de GamboaATLAS HYDROSWEEP DS

Dateiname/ 8 / 15.09.2010 15:53 8Slide 8

Vietnamese NavyVietnamese Navy

Hydrographic Survey Vessel (Project 6613)y g p y ( j )ATLAS HYDROSWEEP MD/50

Dateiname/ 9 / 15.09.2010 15:53 9Slide 9

M t l Mi i A f JMetal Mining Agency of Japan

Hakurei Maru IIATLAS HYDROSWEEP DS

Dateiname/ 10 / 15.09.2010 15:53 10Slide 10

Alf d W I tit t GAlfred Wegener Institute Germany

PolarsternATLAS HYDROSWEEP DS

with upgrade to 3rd

generation 2010

Dateiname/ 11 / 15.09.2010 15:53 11Slide 11

Taiwan

RV Ocean Researcher 2

Taiwan

ATLAS HYDROSWEEP MD/50

Dateiname/ 12 / 15.09.2010 15:53 12Slide 12

Taiwan Ocean Research Institute Research VesselTaiwan Ocean Research Institute Research Vessel

Due for completion 2012Due for completion 2012ATLAS HYDROSWEEP DS

Dateiname/ 13 / 15.09.2010 15:53 13Slide 13

China Oilfield Services Ltd Multi Role VesselChina Oilfield Services Ltd Multi Role Vessel

U d t tiUnder construction

Dateiname/ 14 / 15.09.2010 15:53 14Slide 14

Other Customers of HYDROSWEEP ProductsOther Customers of HYDROSWEEP Products

Malaysia - HYDROSWEEP MD/30 and HYDROSWEEP MD/50Vietnam - HYDROSWEEP MD/50 and 2x HYDROSWEEP MD/30Russia - HYDROSWEEP DSRussia - HYDROSWEEP DSSouth Africa - HYDROSWEEP MD-2UK - 2x HYDROSWEEP MD-2, HYDROSWEEP DSChil HYDROSWEEP MD 2Chile - HYDROSWEEP MD-2USA - HYDROSWEEP DSNew Zealand - MD-2/30NATO – HYDROSWEEP MDIndia - 6 x Parasound

Dateiname/ 15 / 15.09.2010 15:53 15Slide 15

So what are the innovations So what are the innovations that make this a Third G i S ?

that make this a Third G i S ?Generation System?Generation System?

Technical InnovationsChirp Conventional CW Pulse CharacteristicsChirp – Conventional CW Pulse Characteristics

CW Pulse (Continuous Wave)Amplitude vs TimeAmplitude vs. Time

CW PulseCW PulseAuto-Correlation

Dateiname/ 17 / 15.09.2010 15:53 17Slide 17

Technical InnovationsChirp Conventional Chirp Pulse CharacteristicsChirp – Conventional Chirp Pulse Characteristics

Chirp Pulse (Frequency Modulated)Amplitude vs TimeAmplitude vs. Time

Chirp PulseChirp PulseAuto-Correlation

Dateiname/ 18 / 15.09.2010 15:53 18Slide 18

Technical InnovationsChirp Long Pulse without Losing ResolutionChirp – Long Pulse without Losing Resolution

Frequency Modulation (FM) CHIRP

• Virtual pulse compression at RX

L l l th d t t TX• Longer pulse lengths and greater power at TX

• With very distinct auto correlation via implementation of Barker code in RX signal processingg p g

• Enables

• Significantly longer pulses with higher energy

• Increased bottom resolution especially at swath edge

• Increases Signal to Noise Ratio, which increases

• Acoustic performance in terms of Range and swath width

• Improves sediment penetration of sediment profiler

Dateiname/ 19 / 15.09.2010 15:53 19Slide 19

Technical InnovationsW t C l R diWater Column RecordingATLAS HYDROSWEEP water

column profilingcolumn profiling• Effective and efficient search for

• Gas plumesGas p u es

• Gas hydrates

• Biomass

• Thermo layers

• Exact volume localisation and mappingmapping

• Efficient monitoring of active sites

Water column profile of ATLAS PARASOUND, recorded onboard METEOR, (from NIK_2008)

Dateiname/ 20 / 15.09.2010 15:53 20Slide 20

ATLAS’ New Generation Echosounder SystemTechnical InnovationsTechnical Innovations

• Multi-Ping• Multi-Ping

• Higher resolution

• Improved chirpImproved chirp

• Water column recording

• Sub-bottom profiling optionSub bottom profiling option

ATLAS HYDROSWEEP DS data, acquired by the R/V

Sarmiento de GamboaSarmiento de Gamboa (CMIMA, Spain). Scarp in the

Mediterranean Sea in May 2009 depth 2600m2009, depth 2600m

Dateiname/ 21 / 15.09.2010 15:53 21Slide 21

Technical InnovationsMulti PingMulti-Ping

HYDROSWEEP Series is now multi ping and will now:

Ensure 100% along track coverage (100% ensonification)

Enable higher ship speedsg p p

Enable higher resolution without gaps

Compensate for greater pitch and yaw motion

Dateiname/ 22 / 15.09.2010 15:53 22Slide 22

Technical InnovationsMulti PingMulti-Ping

• Transmission

• All pings are transmitted simultaneously

• Different angular offsets and frequencies

• Provides optimal spread on seafloor

• Achieves best coverage of any competitive system

• Reception

• All return signals are received simultaneouslyg y

• Amplification and digitizing of raw acoustic data for each acoustic element

• Frequency separation by base band shifting process

• Beam forming and bottom detection by HOB

Dateiname/ 23 / 15.09.2010 15:53 23Slide 23

Technical InnovationsMulti PingMulti-Ping

• ATLAS HYDROSWEEP MD/50• ATLAS HYDROSWEEP MD/50

• 52 to 62 kHz frequency band

• Max 4x multi-pingp g

• ATLAS HYDROSWEEP MD/30

• 24 to 30 kHz

• Max 3x multi-ping

• ATLAS HYDROSWEEP DS

• 14 to 16 kHz

• Max 2x multi-ping

Dateiname/ 24 / 15.09.2010 15:53 24Slide 24

The Atlas Hydrosweep is a The Atlas Hydrosweep is a y phigh performance medium to d h d th t

y phigh performance medium to d h d th tdeep sea echo sounder that

represents accuracy,deep sea echo sounder that

represents accuracy,represents accuracy, efficiency and reliability

represents accuracy, efficiency and reliability