Between Pipelines and Electric Fences 10 Years of MT Measurements in the North German Basin Bernhard Friedrichs (Metronix) Norbert Hoffmann (BGR), Hartmut Joedike, Laska Horejschi (Uni Münster) -> Data acquisition Data consolidation Data access Data interpretation -> -> NE Germany 7˚ 8˚ 9˚ 10˚ 11˚ 12˚ 13˚ 14˚ GROS B010 POPP BREK B020 B030 SELK B040 MOHR SCHU STIT WBT NIN LOP TDB CRK RST NORD 54˚ H010 SOPH H020 BOLK STIN HOLZ WEHD HOGE H060 H210 HOLL BUTT BOOK HATT DING HUSU BISS SAGE TANN H260 STAA H100 ERMK BOCK H110 H250 BENS SUHL VERS LEWI BROK H120RUEH H240 RENS H130 DALU H230 HRK H140 H220 SWT KIRC ELBE MHO SLE BRH BRK HOCKDRW RHEI H080 H280 BORS DERS H090 H270 SALZ H190 G020 GLIN A010 A020 B090 B100 G010 F020 F030 F040 E010 APPE GUEL F050 F060 54˚ A030 F010 WILS B110 A040 B120 D010 A050 B130 D020 A060 E020 A070 B150 QSL F070 B160 MECH F080 A080 D030 SALZ F100 C010 F090 B170 TGL E030 D040 B180 ALJ EVEN F110 NKL A090 B190 A100 WTB STEI E040 GSB F120 D050 F130 WOLT C020 B200 SLL A110 MOL F140 FRIE D060 E050 B210 JARL F150 ELBE B220 C030 NWD A120 HOLL SNEE F160 BLAN D070 ALTE F170 B230 HASS BTN A130 PETE RDL F190F180 BUCH B240 RDW GRAS B250 A140 WDN GRO LNB KAET A150 SNR JAEV HFN WTL WDM A160 B260 RBL LETZ C040 B270 A170 WDS LUEB A180 SUEP B280 ERXL B290 VOLL SELL LORE HALT VELT SCHA ALTE AULE LBZ B140 53˚ WORM HAME 52˚ NIEN LIMB 7˚ B080 G050 G040G030 KUTEHORN MALS Z010 B070 KMBSWK EKEL FUNK GRAN OSTE TEUF BUSC ALBS DITZ H070 DOLL 52˚ PDL VAALHUNG INTZBRUC 53˚ B050 B060 MAHN HEIM ELBI TANN 8˚ 9˚ 10˚ 11˚ 12˚ 13˚ 14˚ General acquisition problem -> Despike II -3 left− relaxation right− shoulder -3.2 spike height -3.4 -3.6 -3.8 3834 -> 3834.2 3834.4 3834.6 3834.8 Mühlenort ρa − ϕ -> Mühlenort ρ∗ − z ∗ -> Several generations of MT systems have been used: • MMS-02e (1987) with KIM 879 • MMS-03e (1988) with KIM879, MFS-05 • GMS-05 (1991) with MFS-05 • GMS-06 (1998) with MFS-05, MFS-06 and different binary timeseries formats as well as for the transfer functions • .02e format and “ung” format of Univ. Münster (non ISO, no coodinates) • .03e format, “ung” and multi-site EDI format of BGR (non ISO, no reference meridian and coordinate system) -> • .rts format and standard EDI format (ISO) • .ats format and standard EDI format (ISO) Excursus Data Consolidation Can we make a data format for all with XML? Calibration by 3562A1996 10 18 Calibration by XXX File =XXX-9405.rsp ++++++......------......------......------...... Unit is Volts/ Gamma Freq Amp Phz 45 1 .00010.00013 90.0 .00015.00020 90.0 .00020.00027 89.9 .00030.00040 89.9 .00040.00053 89.9 .00060.00080 89.8 500.25990-100.6 800.16690-159.3 1000.11400-191.6 -> Example XML calibration file <?xml version = ’1.0’ encoding = ’iso-8859-1’ ?> <?xml-stylesheet type="text/css" href="calibration.css"?> <calibration> <calibration type> <calibrated unit>MFS-06 UW</calibrated unit> <serialnumber>1</serialnumber> <ident string>MFS06001U.TRF</ident string> <comments>this type had an extra plastic shielding</comments> </calibration type> <calinfo> <comments>possibly 50 Hz values have to be edited manually</comments> <equipment>Solartron</equipment> <calibration date of equipment>31.03.2002</calibration date of equipment> <operator>U. Matzander</operator> <calibration coil>Tube 40x300</calibration coil> <date>12.02.2004</date> <location>Magnetsrode, Germany</location> </calinfo> <columns> <needed columns>3</needed columns> <chopper>on</chopper> <unit col1>f</unit col1> <unit col2>V/(nT*Hz)</unit col2> <unit col3>degrees</unit col3> <caldata> <c1>+1.0000E-02</c1> <c2>+5.0635E-01</c2> <c3>+8.9246E+01</c3> </caldata> <caldata> <c1>+1.5849E-02</c1> <c2>+5.0520E-01</c2> <c3>+8.8879E+01</c3> </caldata> <caldata> <c1>+2.5119E-02</c1> <c2>+5.0395E-01</c2> <c3>+8.8358E+01</c3> </caldata> </columns> </calibration> -> files can be read with a simple browser (no propriete software needs to be intsalled) -> Solution for the files acquired from 1993 to 2004 same technology (XML-> SQL DB -> Internet) will be also used for the next data logger generation 204105 file:/doc/G l_exm l #1 eophysic/hyderabd/talk/htm pl/.htm Data access - html idx -> refloc refabb reflat reflong refelev file profile newediname 140 Büchten BTN 52:44:45.30 09:32:19.70 0 BTN.edi L L_BTN.edi 225 Häfern HFN 52:31:40.20 09:16:43.80 0 HFN.edi L L_HFN.edi 260 Linsburg LNB 52:35:02.30 09:19:10.80 0 LNB.edi L L_LNB.edi 278 Rehburg-Loccum RBL 52:27:41.90 09:12:16.60 0 RBL.edi L L_RBL.edi 280 Rodewald RDW 52:41:09.60 09:26:50.20 0 RDW.edi L L_RDW.edi 286 Schneeren SNR 52:32:51.30 09:18:56.40 0 SNR.edi L L_SNR.edi 303 Wildes Moor WDM 52:29:47.60 09:15:06.00 0 WDM.edi L L_WDM.edi 304 Wenden WDN 52:37:46.60 09:22:07.70 0 WDN.edi L L_WDN.edi 305 Wiedensahl WDS 52:23:01.50 09:08:08.50 0 WDS.edi L L_WDS.edi Data access - plan view 124s Northern Germany ρaxy 124s, Swift rotated 9.1200 B010 B020 B030 B040 GROS POPP BREK SELK MOHR south north [km] 6e+06 SOPH HOGE DITZ 5.9e+06 5.8e+06 B050 B060 B070 A010 B080 A020 B090 A030 B100 B110 A040 B120 A050 B130 A060 B140 A070 B150 A080 B160 B170 B180 A090 A100 B190 B200 A110 B210 A120 B220 B230 A130 B240 A140 B250 A150 B260 B270 STITLOP WBT NIN TDB CRKRST PDL NORD SWK KMB EKEL FUNK HUNG VAAL G050 G040 G030 G010 G020 GLIN F010 INTZ BRUC WILS F020 STIN APPE HOLZ F030 F040 HORN WEHD KUTE F060 F050 HOLL MALS GRAN F070 ALBS OSTE RHEI BUTT BOOK HATT DING BORS DERS HUSU BISS SAGE TANN STAA ERMK BOCK BENS SUHL VERS LEWI BROK RUEH RENS DALU HRK SWT KIRC SLE MHO BRH BRK DRW BTN RDW WDN LNB SNR HFN WDM RBL WDS B280 B290 VOLL LORE VELT SCHA ALTE AULE LIMB 400000 2.7540 1.5850 1.0000 0.7586 0.4786 0.3020 0.2512 0.1738 0.1000 500000 600000 west east [km] -> 4.3650 700000 800000 o h m * m Data access - plan view 1024s Northern Germany ϕxy 1024s, Swift rotated 88.2 B010 B020 B030 B040 GROS POPP SELK MOHR south north [km] 6e+06 SOPH HOGE DITZ 5.9e+06 5.8e+06 WBT NINLOP PDL TDB CRKRST KMB SWK EKEL FUNK HUNG VAAL G050 G040 G030 G010 G020 GLIN F010 INTZ WILS F020 STIN APPE HOLZ F030 F040 WEHD KUTE F060 F050 HOLL MALS F070 ALBS RHEI BUTT BOOK HATT DING BORS DERS HUSU BISS TANN STAA ERMK BOCK BENS SUHL LEWI BROK RUEH RENS DALU HRK SWT KIRC SLE MHO BRH BRK DRW B220 B230 B240 B250 BTN RDW WDN LNB SNR WDM RBL WDS 54.0 45.0 39.6 21.6 18.0 B280 B290 10.8 1.8 500000 600000 west east [km] -> 64.8 30.6 A120 A130 A140 A150 B260 B270 VOLL LORE VELT SCHA ALTE AULE LIMB 400000 B050 B060 B070 A010 B080 B090 A030 B100 B110 B120 A050 B130 A060 B140 A070 B150 A080 B160 B170 B180 A090 A100 B190 B200 A110 73.8 700000 800000 d e g Data access - plan view 1024s Northern Germany ρaxy 1024s, Swift rotated 9.1200 B010 B020 B030 B040 GROS POPP BREK SELK MOHR south north [km] 6e+06 SOPH HOGE DITZ 5.9e+06 5.8e+06 B050 B060 B070 A010 B080 A020 B090 A030 B100 B110 A040 B120 A050 B130 A060 B140 A070 B150 A080 B160 B170 B180 A090 A100 B190 B200 A110 B210 A120 B220 B230 A130 B240 A140 B250 A150 B260 B270 STITLOP WBT NIN TDB CRKRST PDL NORD SWK KMB EKEL FUNK HUNG VAAL G050 G040 G030 G010 G020 GLIN F010 INTZ BRUC WILS F020 STIN APPE HOLZ F030 F040 HORN WEHD KUTE F060 F050 HOLL MALS GRAN F070 ALBS OSTE RHEI BUTT BOOK HATT DING BORS DERS HUSU BISS SAGE TANN STAA ERMK BOCK BENS SUHL VERS LEWI BROK RUEH RENS DALU HRK SWT KIRC SLE MHO BRH BRK DRW BTN RDW WDN LNB SNR HFN WDM RBL WDS B280 B290 VOLL LORE VELT SCHA ALTE AULE LIMB 400000 2.7540 1.5850 1.0000 0.7586 0.4786 0.3020 0.2512 0.1738 0.1000 500000 600000 west east [km] -> 4.3650 700000 800000 o h m * m Data access - plan view 1024s Northern Germany ρaxy 1024s, Swift rotated, ∆ρ < 20Ωm 9.1200 B010 B020 B030 B040 GROS POPP BREK SELK MOHR south north [km] 6e+06 SOPH HOGE DITZ 5.9e+06 B050 B060 B070 A010 B080 A020 B090 A030 B100 B110 A040 B120 A050 B130 A060 B140 A070 B150 A080 B160 B170 B180 A090 A100 B190 B200 A110 B210 A120 B220 B230 A130 B240 A140 B250 A150 B260 B270 WBT NINLOP PDL TDB CRKRST NORD KMB SWK EKEL FUNK HUNG VAAL G050 G040 G030 G010 G020 GLIN F010 INTZ BRUC WILS F020 STIN APPE HOLZ F030 F040 WEHD KUTE F060 F050 HOLL MALS F070 ALBS GRAN RHEI BORS DERS TANN BUTT BOOK HATT DING HUSU BISS STAA ERMK BENS SUHL VERS LEWI BROK RUEH RENS DALU HRK SWT KIRC SLE MHO BRH BRK DRW 5.8e+06 VOLL LORE VELT SCHA AULE LIMB 400000 BTN RDW WDN LNB SNR HFN RBL WDS 500000 B280 2.7540 1.5850 1.0000 0.7586 0.4786 0.3020 0.2512 0.1738 0.1000 600000 west east [km] -> 4.3650 700000 800000 o h m * m Data access - profile L 87.1000 28.8400 14.4500 6.3100 3.1620 Profile L ρ* - z* WDS 2.0890 RBL WDM HFN SNR LNB WDN RDW BTN 1.0470 depth [m] 1000 2000 3000 4000 5000 6000 7000 8000 9000 0.5248 0.3981 0.2291 0.1148 0 10000 20000 west east [m] -> 30000 o h m * m First data from 2004 -> Conclusion • after 10 years of measuring profiles this is the first attempt of a lateral interpretation of the soundings • results are looking promising and showing points of new interest - especially where we should measure in the future • data access could be solved by using a SQL data base which runs on a single computer but can be acccessed from anywhere • geological interpration can be seen on the poster of N. Hoffmann, BGR, Germany in the poster section