The use of smooth piecewise algebraic approximation in the determination of vertical crustal movements in Eastern Canada

Author(s):  
Azadeh Koohzare ◽  
Petr Vaníček ◽  
Marcelo Santos
2021 ◽  
Vol 40 (1) ◽  
pp. 4-12
Author(s):  
Jiachun An ◽  
Baojun Zhang ◽  
Songtao Ai ◽  
Zemin Wang ◽  
Yu Feng

1981 ◽  
Vol 71 (1-4) ◽  
pp. 41-52 ◽  
Author(s):  
I. Joó ◽  
E. Csáti ◽  
P. Jovanović ◽  
M. Popescu ◽  
V.I. Somov ◽  
...  

Sensors ◽  
2016 ◽  
Vol 16 (2) ◽  
pp. 225 ◽  
Author(s):  
Xinhui Zhu ◽  
Ren Wang ◽  
Fuping Sun ◽  
Jinling Wang

1976 ◽  
Vol 13 (5) ◽  
pp. 661-667 ◽  
Author(s):  
Petr Vaníček

A surface depicting linear vertical movements in Maritime Canada was computed from sea-level data recorded by 8 tide guages and 308 mostly disjoint, relevelled segments of the first-order Canadian levelling network. Owing to the sparsity of the available data and their distribution, the velocity surface must be regarded as indicative of the crude features only. The indications are that there is a west-northwest trending belt of faster subsidence across the eastern end of the Bay of Fundy, and that there may be an area of uplift in northeastern New Brunswick. Although the faster subsidence around the eastern Bay of Fundy seems to be well established now, more data are needed to prove or dispel the existence of the indicated uplift.


2020 ◽  
Vol 22 (1) ◽  
pp. 87-97
Author(s):  
Alexandru BERBECARIU ◽  
Alfred VESPREMEANU-STROE

Casimcea Plateau is an uplifted (exhumated) peneplain cut in Proterozoic green–schists and one of the oldest tec­tonic units around the Black Sea. Despite its overall monotonous physiognomy, the plateau is crossed by Casimcea Valley and presents a seaward façade to the east which preserves (sub)horizontal surfaces as testimonies of the paleoenvironmental changes (sea level and climate). This research aims to identify the marine and fluvio–marine terraces and to define their vertical distribution based on the morphometric analysis of two study sites (north – Ceamurlia; south – Tașaul Lake) using EU-DEM. 6 levels were identified as possible marine terraces within the 2–50 m altitude range and also some inferences were made concerning the age of the lower three levels. Also, the present work highlights a differential (stronger) uplift of the northern sector between Peceneaga – Camena and Ostrov – Sinoe faults reflected by both the elevation difference of 5–6 m between the terraces staircases identified at the two sites and by the elevation gaps analysed on an array of cross-fault transects carried on over Ostrov – Sinoe fault.  


1974 ◽  
Vol 11 (5) ◽  
pp. 605-610 ◽  
Author(s):  
P. Vaníček ◽  
D. Christodulidis

The existing techniques for the quantitative evaluation of vertical crustal movements from geodetic spirit levelling have one common feature. They can deal only with a complete network of systematically relevelled connected lines. This paper presents a method, based on the least-squares fitting of a velocity surface, capable of using scattered as well as connected relevelled segments. A facility to choose a specific level of statistical significance of the results is built in. The performance of the method is tested on data for the vicinity of Chesapeake Bay. The results compare well with those of the U.S. National Geodetic Survey.


1975 ◽  
Vol 29 (1-4) ◽  
pp. 223-231 ◽  
Author(s):  
Karlheinz Schäfer

Sign in / Sign up

Export Citation Format

Share Document