GEOID MAPPING FROM ASTRO-GEODETIC DEVIATIONS OF THE VERTICAL BY SURFACE FITTING TECHNIQUE

Abstract

, ro aro cl sUy two rirono ibox o tho geoid la%iidoret :o bo of iz o nnco— Coopbicitcn and GGodo /. A 133Opb7Ociat in into ot*d in ttio ct po of ot tho Cooid in moor' tO &,l nbont the r*oo dietribtion inøido tho onr Who tLeld of onOtcr2. cooea nedo for ,coo it o n ooZøflo curtioo far bihto ond etrOnOritc yitGI2 Of ed 'd ; tr.'a't+ .t s ' ft ' . 1 +C n$'-C3i Of dooizin the + :* A group of tbo tothnuoo in bn 4 on the uc Of d tioni# of tho vortioa3 rr o Xudion oot+d La 1 boon Oboinod by ho fl31 Ot3Qrt # a cotbod on diroet io4ou of the iivot1nbZo c .00'tiaa dia n alO .Uooidnt proRltoo in tb Soa Of ci000d circuitc. Who .ea Uunrov eur'Rt ee'ttnt toePmiu tin o roeost34 boon itooted In Conada hero uniko Xndirla the notro° 600dotic oittiono +or* roro unitory dictributod, t t:t contributing Uourdo the cuc0000 of the t o od ucod mac, t .Q dj:.4fl4jQfl OtUdioc 2XthQ1' pootitbUitIO.Q of uotng thin o uo in the ors= of the Zndion port ooo -thoro the our: co titttU3 coedit.tono nro not co .€uvourtb1o. Chapter I pr conto the ec+t o 0 ' Ca*a2OCW end the bictozioni bcizrjround of the procont work. In Cheptor XXv the oie do nttona of tho ro3 ntod goodotia tortto r ro Livoa.. C ptor III provide0 the bete £Ortiun end Ito UAthODatiC*1 4o oiop nt . gez'ding. tbo Carfnaa tt tObIiqUc ucod. C ptor flY do o tiitb tbo d&tn oho rind tbo nvooaoar xOdtfiantOuo tbci rat of tho Cbaptora pro n o dotnilo of intoat4ijntiona conducted 'fir Uio nutbor. " 1ncudo i D3tOrtioz Of Ordorø of bzot tittiu pcnocS.ni ourtncoo nIOn vith tootth of diIta-rout poor .o x i.00 pon t t. • [ittod pat ulcer# ., oVn .uution of cootficno nd Gooi.d i UDdU3OtiOUO r 1onot- unreo o utio 2 vitth octtitionti Of rolntod otnudcird dov n iona3 tooin of po1nooini. Outocoo fitted titer 4°t i° bootz chic : pad utto octory duo IV * ro Ito of of treo poi. aod.ni_ fits ttith cozIbtn3d dGtn oOfltJtTitb roiotod nndoi`d QrzOroa v * reiovnnt dioouocton.e t3 coneLucttona oacordU13. t* tab t ide d poi.ynOt z i curfnco fitting toahniq r la z ppZtenbZ.e to Saco ladio&t ptrt titth t 004 liottod dtott,ncoo from the ora . i*zlaao the o4iotiJ ooido1 circUit anpc n zoo byb3 rnnin. addition L profiloo over th3 cc utrrt1 ptarte of Zndio tboro tb3 [ .pa ore C3ozo ci$ ..coi t1