INSTYTUT GEODEZJI I ASTRONOMII GEODEZYJNEJ |
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Wykonał: Łukasz Siestrzykowski |
Studia magisterskie rok III semestr 6 |
Rok Akademicki 1999\2000 |
REDUKCJE I ANOMALIE GRAWIMETRYCZNE |
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Data wydania: 30.03.2000 |
Data oddania: 01.06.2000 |
Zaliczenie: |
Obliczyć redukcję terenową dla punktu zaznaczonego na mapie warstwicowej ( M-33-XI Wałbrzych).
Dane:
=2,27 g/cm3
HP=160,0 m.
współrzędne punktu:
= 51o 08’
= 16o 15’
h=HP-Hśr
Nr. strefy |
Nr. segm.
|
rI [m] |
rI+1 [m] |
Hśr. [m] |
h [m] |
gt [mGal] |
A |
1 |
0 |
500 |
161,5 |
-1,5 |
1,61846244 |
|
2 |
0 |
500 |
159,0 |
1,0 |
1,59780138 |
|
3 |
0 |
500 |
158,5 |
1,5 |
1,59365374 |
|
4 |
0 |
500 |
161,0 |
-1,0 |
1,61434050 |
|
5 |
0 |
500 |
160,5 |
-0,5 |
1,61021342 |
|
6 |
0 |
500 |
162,0 |
-2,0 |
1,62257926 |
|
7 |
0 |
500 |
163,0 |
-3,0 |
1,63079755 |
|
8 |
0 |
500 |
164,0 |
-4,0 |
1,63899539 |
|
|
|
|
|
|
=12,92684369 |
B |
9 |
500 |
1000 |
161,0 |
-1,0 |
0,14754602 |
|
10 |
500 |
1000 |
157,0 |
3,0 |
0,14059864 |
|
11 |
500 |
1000 |
154,0 |
6,0 |
0,13548451 |
|
12 |
500 |
1000 |
158,0 |
2,0 |
0,14232177 |
|
13 |
500 |
1000 |
161,0 |
-1,0 |
0,14754602 |
|
14 |
500 |
1000 |
162,0 |
-2,0 |
0,14930561 |
|
15 |
500 |
1000 |
165,0 |
-5,0 |
0,15463852 |
|
16 |
500 |
1000 |
166,0 |
-6,0 |
0,15643409 |
|
|
|
|
|
|
=1,17387517 |
C |
17 |
1000 |
1500 |
161,0 |
-1,0 |
0,05069556 |
|
18 |
1000 |
1500 |
159,0 |
1,0 |
0,04946027 |
|
19 |
1000 |
1500 |
160,0 |
0,0 |
0,05007609 |
|
20 |
1000 |
1500 |
162,0 |
-2,0 |
0,05131868 |
|
21 |
1000 |
1500 |
167,0 |
-7,0 |
0,05448895 |
|
22 |
1000 |
1500 |
171,0 |
-11,0 |
0,05709051 |
|
23 |
1000 |
1500 |
170,0 |
-10,0 |
0,05643469 |
|
24 |
1000 |
1500 |
168,0 |
-8,0 |
0,05513390 |
|
|
|
|
|
|
=0,42469865 |
D |
25 |
1500 |
2500 |
163,0 |
-3,0 |
0,04189559 |
|
26 |
1500 |
2500 |
158,0 |
2,0 |
0,03937839 |
|
27 |
1500 |
2500 |
162,0 |
-2,0 |
0,04138602 |
|
28 |
1500 |
2500 |
162,0 |
-2,0 |
0,04138602 |
|
29 |
1500 |
2500 |
176,0 |
-16,0 |
0,04879836 |
|
30 |
1500 |
2500 |
184,0 |
-24,0 |
0,05330229 |
|
31 |
1500 |
2500 |
176,0 |
-16,0 |
0,04879836 |
|
32 |
1500 |
2500 |
172,0 |
-12,0 |
0,04661946 |
|
|
|
|
|
|
=0,36156449 |
E |
33 |
2500 |
5000 |
155,0 |
5,0 |
0,02852930 |
|
34 |
2500 |
5000 |
149,0 |
11,0 |
0,02636669 |
|
35 |
2500 |
5000 |
154,0 |
6,0 |
0,02816297 |
|
36 |
2500 |
5000 |
163,0 |
-3,0 |
0,03154466 |
|
37 |
2500 |
5000 |
150,0 |
10,0 |
0,02672123 |
|
38 |
2500 |
5000 |
182,0 |
-22,0 |
0,03930925 |
|
39 |
2500 |
5000 |
177,0 |
-17,0 |
0,03718372 |
|
40 |
2500 |
5000 |
166,0 |
-6,0 |
0,03271424 |
|
|
|
|
|
|
=0,25053205 |
F |
41 |
5000 |
7500 |
147,0 |
13,0 |
0,00856392 |
|
42 |
5000 |
7500 |
139,0 |
21,0 |
0,00765752 |
|
43 |
5000 |
7500 |
149,0 |
11,0 |
0,00879843 |
|
44 |
5000 |
7500 |
168,0 |
-8,0 |
0,01118396 |
|
45 |
5000 |
7500 |
182,0 |
-22,0 |
0,01312427 |
|
46 |
5000 |
7500 |
187,0 |
-27,0 |
0,01385475 |
|
47 |
5000 |
7500 |
182,0 |
-22,0 |
0,01312427 |
|
48 |
5000 |
7500 |
167,0 |
-7,0 |
0,01105130 |
|
|
|
|
|
|
=0,08735841 |
G |
49 |
7500 |
10000 |
145,0 |
15,0 |
0,00416724 |
|
50 |
7500 |
10000 |
138,0 |
22,0 |
0,00377467 |
|
51 |
7500 |
10000 |
152,0 |
8,0 |
0,00457920 |
|
52 |
7500 |
10000 |
178,0 |
-18,0 |
0,00627920 |
|
53 |
7500 |
10000 |
193,0 |
-33,0 |
0,00738166 |
|
54 |
7500 |
10000 |
193,0 |
-33,0 |
0,00738166 |
|
55 |
7500 |
10000 |
187,0 |
-27,0 |
0,00693000 |
|
56 |
7500 |
10000 |
169,0 |
-9,0 |
0,00566046 |
|
|
|
|
|
|
=0,04615410 |
=2,18157522
gt=0,00524**(rI+1-rI-rI+12+h2+ri2+h2)
Dgt= 2,18157522 [mGal]
Obliczyć anomalie wolnopowietrzne i anomalie Bouguer’a. Sporządzić mapę anomalii wolnopowietrznych.
Nr |
f [ o] |
l [ o ] |
H [ m ] |
g [mGal] |
|
51,290 |
21.010 |
243,910 |
980995.62 |
|
51,277 |
21.062 |
252,030 |
980992.3 |
|
51,297 |
21.093 |
257,620 |
980993.21 |
|
51,295 |
21.155 |
260,200 |
980995.22 |
|
51,280 |
21.123 |
254,360 |
980993.34 |
|
51,255 |
21.110 |
252,120 |
980988.44 |
|
51,245 |
21.070 |
258,940 |
980987.25 |
|
51,240 |
21.077 |
258,120 |
980986.28 |
|
51,238 |
21.158 |
250,070 |
980986.33 |
|
51,252 |
21.055 |
245,930 |
980986.21 |
|
51,217 |
21.080 |
247,960 |
980987.18 |
|
51,210 |
21.022 |
244,620 |
980983.46 |
|
51,228 |
21.107 |
242,910 |
980982.55 |
|
51,208 |
21.140 |
260,030 |
980982.44 |
|
51,187 |
21.008 |
258,130 |
980984.77 |
|
51,187 |
21.103 |
258,910 |
980983.56 |
|
51,177 |
21.060 |
259,340 |
980982.33 |
|
51,172 |
21.105 |
261,140 |
980979.66 |
|
51,172 |
21.023 |
258,360 |
980980.88 |
|
51,168 |
21.157 |
268,130 |
980980.16 |
|
51,160 |
21.008 |
266,120 |
980978.22 |
|
51,155 |
21.088 |
266,950 |
980978.62 |
|
51,143 |
21.045 |
269,220 |
980978.77 |
|
51,140 |
21.145 |
273,240 |
980978.22 |
Obliczenie ze wzoru Helmerta :
Obliczenie redukcji wolnopowietrznych:
Obliczenie redukcji Bouguer’a:
gdzie =2,27 [g/cm3] , H - wysokość punktu
Obliczenie anomalii.
Awp=gpom+Rwp-g0
AB=gpom+RB-g0+ Rwp
Zestawienie wyników:
g0 [mGal] |
Rwp [mGal] |
RB [mGal] |
Awp [mGal] |
AB [mGal] |
981166,945 |
75,24251286 |
-23,199012 |
-96,083 |
-119,282 |
981165,796 |
77,74728605 |
-23,971329 |
-95,748 |
-119,720 |
981167,564 |
79,47157089 |
-24,503011 |
-94,883 |
-119,386 |
981167,387 |
80,26741438 |
-24,748403 |
-91,900 |
-116,648 |
981166,061 |
78,46600599 |
-24,192943 |
-94,255 |
-118,448 |
981163,850 |
77,77508939 |
-23,979890 |
-97,635 |
-121,615 |
981162,965 |
79,87884524 |
-24,628560 |
-95,836 |
-120,465 |
981162,523 |
79,62591324 |
-24,550568 |
-96,617 |
-121,167 |
981162,346 |
77,14276499 |
-23,784908 |
-98,873 |
-122,658 |
981163,584 |
75,86568601 |
-23,391140 |
-101,509 |
-124,900 |
981160,488 |
76,49193885 |
-23,584219 |
-96,816 |
-120,400 |
981159,869 |
75,46167058 |
-23,266542 |
-100,947 |
-124,213 |
981161,461 |
78,01882866 |
-24,055029 |
-100,892 |
-124,947 |
981159,692 |
80,21514421 |
-24,732233 |
-97,036 |
-121,769 |
981157,833 |
79,62910003 |
-24,551519 |
-93,434 |
-117,986 |
981157,833 |
79,86970339 |
-24,625707 |
-94,403 |
-119,029 |
981156,948 |
80,00236303 |
-24,666605 |
-94,616 |
-119,282 |
981156,506 |
80,55761098 |
-24,837809 |
-96,288 |
-121,126 |
981156,506 |
79,70007612 |
-24,573395 |
-95,925 |
-120,499 |
981156,152 |
82,71378986 |
-25,502649 |
-93,278 |
-118,780 |
981155,443 |
82,09379162 |
-25,311472 |
-95,130 |
-120,441 |
981155,001 |
82,34982745 |
-25,390415 |
-94,031 |
-119,421 |
981153,938 |
83,05006646 |
-25,606322 |
-92,118 |
-117,725 |
981153,673 |
84,29009924 |
-25,988676 |
-91,163 |
-117,151 |
Do powyższych obliczeń załączam mapę.
Znaleźć wartość współczynnika b dla swojego obszaru na podstawie obliczonych wcześniej anomalii wolnopowietrznych i Bouguera.
Agwp=AgB + b·H b = 0.095113
Obliczyć reprezentacyjne wartości anomalii Bouguera i wolnopowietrznych dla sporządzonego arkusza mapy oraz wyznaczyć błędy reprezentacji czystej dla obu anomalii.
=-95,809 [mGal]
=-120,294 [mGal]
mAwp = = 0.561 [mGal]
mAB = = 0.458 [mGal]
-95,809 0.561 [mGal]
-120,294 0.458 [mGal]