1CORRECTION DE DERIVE (UNE SEULE STATION DE BASE) - CALCUL DE LA GRAVITEMission de TerrainOprateurGravimtreDateNo 480TiLectureNoYStationBaseHeureK = 0,1025Compt.DValeur gValeur de gDivmGalsvoir formuleA(t1)12h15mn0458.247.33979,802.670.0979,850.00979850.0012002051201251012022914120335201204402512054631120651361207554012085944120913H5501210954121115601212206512132469121430135A(t2)55160530.8054.83979,802.672.26979,859.76979850.00

2Mission de TerrainOprateurGravimtreDate : .. / .. / ..No 480(ti-tA)LectureNoYStationBaseHeureK = 0,1Compt.diValeur gValeur de gDivgr mGalset gthX(m)Z(m))A12h15mn458.2979480.47dgfdgbDgCRGCRS-40012.823477.1979483.83-30010.038490.3979483.75-20011.049498.2979483.67-1009.558515.8979483.56010.013h10525.6979483.5110012.020522.6979483.432008.029528.5979483.353009.438527.6979483.264009.845530.1979483.18B55480.1979484.17X(m) = Position des stationsK = Coefficient dtalonnageRayon de la Terre =6370 kmdgb = Correction de BouguerZ(m) = Altitude des stationsCompt. = Complmentdensit du corps anomalique = 2.6Dg = Anomalie de Bouguerti-tA = temps couldi = drive chaque stationdensit de l'encaissant = 3.2CRG = Champ rgionalDiv. = Nombre de divisions ludgf = Correction daltitude1Gal=10-2 ms-2 ; G=6.67 10-11 m3kg-1s-2CRS = Champ rsiduel1/ Complter le tableau.2/ Calculer le champ rgional (donner son expression).3/ Calculer pour le corps anomalique:* Profondeur du toit* le rayon* le volume* la masse totaleMission de TerrainOprateurGravimtreDate : .. / .. / ..No 480LectureNoYStationBaseHeure(ti-tA)K = 0,1Compt.diValeur gValeur de gmnDivgr mGalset gthX(m)Z(m))A12h15mn0458.245.82979434.650979480.47979480.47dgfdgbDgCRGCRS-40012.8238477.147.71979434.65-0.1208979482.48979483.833.941.401.191.190.00-30010.03823490.349.03979434.65-0.3473979484.03979483.753.081.092.262.020.25-20011.04934498.249.82979434.65-0.5134979484.98979483.673.381.203.502.840.66-1009.55843515.851.58979434.65-0.6493979486.88979483.562.921.045.213.661.54010.013h1055525.652.56979434.65-0.8305979488.04979483.513.081.096.524.492.0310012.02065522.652.26979434.65-0.9815979487.89979483.433.691.316.845.311.532008.02974528.552.85979434.65-1.1174000001979488.62979483.352.460.876.866.140.723009.43883527.652.76979434.65-1.2533000001979488.66979483.262.891.027.276.960.314009.84590530.153.01979434.65-1.3590000001979489.02979483.183.011.077.787.780.00B55100480.148.01979434.65-1.5100000001979484.17979484.171/TD = (K(LB-LA)-(gB-gA)) / (tB-tA) =-0.0151mgal/mndi = TD (ti-tA)dgf = 2gthz(m)/R =gthz(m)/3185000dgb = 2prGz(m) = 0.109xz(m) 10-5 ms-2 = 0.109xz(m) mgals2/Crg =0.0082407591xX +4.4882907674Crs = Dg - Crg3/dgmax = 2.03mgalsx1/2 = 164 mz = 1.3 x1/2 =213.2m176mprof. =55m=2.30E+07m3M = r x V =5.29E+07kg

3

31.19198713481.191987134802.01606304292.26260219790.2465391552.84013895113.49723214130.65709319023.66421485925.20533652121.54112166194.48829076746.5188014352.03051066765.31236667566.84386143171.53149475616.13644258376.85564075370.71919816996.96051849197.26948261990.3089641287.78459447.78459440

CRGDgCRSX (m)mGals

MBD000A399B.unknown