Astronomická orientace starobylých pyramid... přednáška J. Klokočníka Sci Cafe, Č. Budějovice 8.12.2015




GRAVITY FIELDS
RESEARCH PAPERS

Reflection altimetry for
oceanography and geodesy


Residual errors in altimetry data detected by combinations of single- and dual-satellite crossovers

Isolation of non-gravitational
signal by combinations of
dual-satellite crossovers


Improvement of the geopotential and detection of interannual oceanographic signals from inversiom of single and dual satellite altimetry


Poster on Reflecting Altimetry, EGS 2002 part1>

Poster on Reflecting Altimetry, EGS 2002 part2>

Poster on Resonances of CHAMP, EGS 2002>

Evaluation of pre-CHAMP gravity models "GRIM5-S1" and GRIM5-C1 with satellite crossover altimetry - Journal of Geodesy (2002) 76:189-198

Detection of interannual oceanographic signals and improvement of geopotential from inversion of single and dual satellite altimetry

ACCURACY ASSESSMENTS of gravity field models by independent satellite crossover altimetry, for EIGEN 1S and 2, (PPT), status Summer 2003; see also http://pecny.asu.cas.cz/cedr


GEOMETRY AND ACCURACY OF BISTATIC ALTIMETRY (PPT, status Summer 2003)


Rezonance a gravitacni pole Zeme, GaKO 46/88, 2000, #3, 45


On fine orbit selection for particular geodetic and oceanographic missions involving passage through resonances - Journal of Geodesy (2003) 77: 30-40


CHAMP and Resonances - Proc. 2nd CHAMP Workshop, GFZ Potsdam, Sept. 2003 (manuscript)


Evaluation of the accuracy of CHAMP gravity field models EIGEN-1S and -2 by satellite crossover altimetry, Journal of Geodesy 2004


Champ and resonances, EGU Nice 2004


Triple passage of Champ through 31st and 62nd order orbit resonances, Bob Gooding et al, GFZ Workshop Potsdam 2004


On future of gravity field models accuracy assessment, part 1.


On future of gravity field models accuracy assessment, part 2.


Prerequisities to monitor and predict El Niňo / La Niňa from satellite altimetry


Wagner et al, AGU Spring Meeting 2005: Degradation of GRACE Monthly Geopotentials in 2004: Explained part 1.


Wagner et al, AGU Spring Meeting 2005: Degradation of GRACE Monthly Geopotentials in 2004: Explained part 2.


Geometry of satellite ground tracks, NRIAG Helwan, Nov. 2005


Review of the use of satellite crossover altimetry to test the accuracy of the Earth gravity models, part 1.


Review of the use of satellite crossover altimetry to test the accuracy of the Earth gravity models, part 2.


Degradation of geopotential recovery of grace monthly solutions due to orbit resonances , part 1.


Degradation of geopotential recovery of grace monthly solutions due to orbit resonances , part 2.


Degradation in accuracy of Champ/Grace-only Earth gravity fields models discovered by latitude lumped coefficients , part 1.


Degradation in accuracy of Champ/Grace-only Earth gravity fields models discovered by latitude lumped coefficients , part 2.


Testing new geopotential models through comparison of high-resolution quasi-geoid models with GPS/elevation data , part 1.

Testing new geopotential models through comparison of high-resolution quasi-geoid models with GPS/elevation data , part 2.

Geometry and accuracy of reflecting points in bistatic satellite altimetry, Journal of Geodesy 2005

Position of Reflecting Points in Bistatic Satellite Altimetry: Theoretical Solutions for Ellipsoid

Frascati 2006
Degradation in Accuracy of Gravity variations from CHAMP,GRACE AND GOCE , part 1.

Frascati 2006
Degradation in Accuracy of Gravity variations from CHAMP,GRACE AND GOCE , part 2.

Satellite altimetry in the Czech Republic: status 2007
pres. Interntl. Workshop on Coast&Land Applics Satel. Altimetry, Beiing 2006

Improvement in the radial accuracy of satellite orbits from long term altimetry: information from covariance projections
in EARTH-SCIENCE REVIEWS 2008
Part 1 - Text

Improvement in the radial accuracy of satellite orbits from long term altimetry: information from covariance projections
in EARTH-SCIENCE REVIEWS 2008
Part 2 - Figures

Satellite Altimetry in the Czech Republic:Status 2007 in Medwell J.Earth Sci. 2008


Variations in the accuracy of gravity recovery due to ground track variability:
GRACE,CHAMP,and GOCE
J.Geodesy 2008


Resonances and GOCE orbit selection EGU 2008, Vienna

EGM 08: TESTS OF THE MODEL AND SIMULATIONS FOR GOCE part1
pres. IAG Symp. Chania, JUNE 2008

EGM 08: TESTS OF THE MODEL AND SIMULATIONS FOR GOCE part2
pres. IAG Symp. Chania, JUNE 2008

Chicxulub and Popigai impact craters as seen by the newest gravitational model of the Earth EGM 08 as multiple structures
summer 2008

Catalogue of impact craters...with EGM08
© ESA and Astronom. Inst. Czech. Acad. Sci.


GOCE
Simulations of free fall and resonances in the forthcoming GOCE mission
J.Geodynamics 2009


ESA PECS AUDIT 2010


AUDIT 2010, ppt presentace


Zpráva k prvnímu výročí vypuštění GOCE

Jmenování profesorem
dne 30.4.2010 president republiky Václav Klaus jmenoval Doc.Ing.Jaroslava Klokočníka DrSc. profesorem geodézie


EGM 08 Searches for hidden impact craters, with support from point mass modelling
EGU Vienna 2010


Orbit Tuning of Planetary Orbiters for Accuracy
Gain in Gravity-Field Mapping
Journal of Guidance, Control, AND Dynamics
Vol.33,No.3,May-June 2010

Simulation of free fall and resonances in the GOCE mission
Journal of Geodynamics 48(2009) 47-53)

Detection of Earth Impact Craters Aided by the Detailed
Global Gravitational Model EGM2008 Acta Geodyn.Geomater., Vol.7,No.1

Upward continuation of satellite altimeter data
for GOCE validation
ESA Living Planet Symposium, Bergen, Norway
28 June - 2 July, 2010

Some aspects of the orbit selection for
the measurement phases of GOCE
ESA Living Planet Symposium, Bergen, Norway
28 June - 2 July, 2010

ESA PECS AUDIT 2011


AUDIT 2011, ppt presentace

CNES workshop on GNSS reflectometry, Calais, France, 2011, ppt presentace

Seminář CEDR Třešť 2011
© ASÚ AV ČR 2011

Globální model gravitačního pole z inverze dráhových dat družic CHAMP,GRACE a GOCE
Bezděk et al 2011

GNSS-R concept extended by a fine orbit tuning
Adv. Space Res.2012


AUDIT 2012
Final Report on grant ESA PECS C98056 "GOCE..."
Abstracts


AUDIT 2012
Final Report on grant ESA PECS C98056 "GOCE..."
Report


Surv Geophys 2012 The Use of Resonant Orbits in Satellite Geodesy: A review Klokocnik et al posted with permission of Springer


From Kepler to fine orbit tuning of GOCE


Average time-variable gravity from GPS orbits of recent geodetic satellites
Hotine-Marussi Symp., Rome 2013


Gravity Disturbances, the Marussi Tensor, Invariants and Other Functions of the Geopotential as Represented by the Global Gravity Field Model EGM 2008 and Suggestions for Geo-applications


Mass distribution of Earth landforms determined by aspects of the Geopotential as computed from the Global Gravity Field Model EGM 2008
Kalvoda et al 2013


Gravity field models from CHAMP/GRACE and GOCE
Bezděk et al 2013


Global and regional seasonal variations og the geoid detected by GRACE
Kostecký et al 2013


Gravity functionals for geo-applications
Klokočník et al 2013
Edinburgh, poster


From Kepler to fine orbit tuning of GOCE
Klokočník et al 2013
Edinburgh, poster part 1


From Kepler to fine orbit tuning of GOCE
Klokočník et al 2013
Edinburgh, poster part 2

Gravity signal at Ghawar, Saudi Arabia, from EGM 2008
Klokočník a Kostelecký
Arab.j.Geosci.Springer

Gravity Disturbances, Marussi Tensor, Invariants and Other Functions of the Geoponential Represented by EGM 2008
Klokočník et a al
JESR, Aug 2014, Vol.2 Iss.3, PP. 88-101

Nečekané hrátky s třetím Keplerovým zákonem
Klokočník, Bezděk, Kostelecký
Pokroky MFA č.3,2014


Evaluation of EIGEN-6C4 by means of various functions of gravity potential, and by GNSS/levellig
EGU 2015, Vienna


Resolvability of gravity field parameters in a repeat orbit:degrees/order limit
oral present
IUGG Prague
Klokočník et al


Resolvability of gravity field ...
Klokočník et al
Adv.Space Res. 56,2015(1146-1160)


Evaluation of EGM2008 and EIGEN-6C3stat...
Kostelecký et al
Newton Bull 5,June 2015


Evaluation of EIGEN 6C4...
Kostelecký et al
Geoinformatics 14(1),2015


New Developments in Paleomagnetism...2015, ed.L.Eppelbaum,NOVA Publ.,chapter 5
Klokočník&Kostelecký



Application of contemporary knowledge on the gravitational field of the Earth in various geosciences
J.Klokočník
Ondřejov observatory
23rd Sept.2015


Hypothetical source crater for Australasian tektites: Moving from Indochina to Northwest China?
J.Mizera,Z.Řanda,J.Kameník,
J.Klokočník,J.Kostelecký,
A.Bezděk
e-poster for 79th Annual Meeting of the Meteoritical Society


ANTARKTIDA
Co družicová gravitační a další data prozrazují o tom, co je našim zrakům ukryto pod ledem Antarktidy J.Klokočník a kol.


Time-variable gravity fields derived from GPS tracking if Swarm
A.Bezdek,J.Sebera,
J.Teixeira da Encarnacao,
J.Klokočník


Novinky ASU AV ČR v.v.i. 1.2.2017


On feasibility to detect volcanoes hidden under the ice of Antarctica via their "gravitational signal"
J.Klokočník,J.Kostelecký,
I.Pešek,A.Bezděk


Výzkumy ASU AV ČR v.v.i. 1.2.2017


A support for the existence of paleolakes and paleorivers buried under Saharan sand by means of "gravitational signal" from EIGEN 6C4
J.Klokočník,J.Kostelecký,
V.Cílek,A.Bezděk,I.Pešek


Gravito-topographic signal of the Lake Vostok area, Antarctica, with the most recent data
J.Klokočník,J.Kostelecký,
V.Cílek,A.Bezděk,I.Pešek
Polar Science


Objev dosud neregistrovaných jezer pod ledem Antarktidy
Tisková zpráva z 21.května 2018


On the detection of the Wilkes Land impact crater
J.Klokočník,J.Kostelecký,
A.Bezděk
Earth, Planets and Space (Springer)


Největší impaktní kráter na Zemi je patrně pod ledem Antarktidy
J.Klokočník,J.Kostelecký,
A.Bezděk
Tisková zpráva srpen 2018


Calibration of Swarm accelerometer data by GPS positioning and linear temperature correction
Aleš Bezděk,Josef Sebera,Jaroslav Klokočník
Advances in Space Research
Cospar


The putative Saginaw impact structure, Michigan, Lake Huron, on the light of gravity aspects derived from recent EIGEN 6C4 gravity field model
J.Klokočník,J.Kostelecký, A.Bezděk
Journal of Great Lakes Research


Response to comment by Schaetzl et al.(2019) "The putative Saginaw impact structure, Michigan, Lake Huron, on the light of gravity aspects derived from recent EIGEN 6C4 gravity field model"
J.Klokočník,J.Kostelecký, A.Bezděk
Journal of Great Lakes Research


A support to discovery of subglacial impact crater in northwest Greenland by gravity acpect from Earth gravity model EIGEN 6C4 and other data
J.Klokočník 1.,J.Kostelecký 2.3., A.Bezděk 1-4., V.Cílek 5.,G.Kletetschka 5.6.7.
EGU 2019 12 Apr 2019,X2.266


A independent discovery of subglacial impact crater in northwest Greenland by gravity acpect from Earth gravity model EIGEN 6C4 and magnetic anomaly datad
Kletetschka 1,2,3 J.Klokočník 4,J.Kostelecký 5,6,A.Bezděk 6,7,V.Cílek 1
50th Lunar and Planetary Science Conference, March 18-23,2018
Woodlands, Texas USA


A 200km suspected impact crater Kotuyanskaya near Popigai, Siberia, in the light of new gravity acpect from EIGEN 6C4, and other data
J.Klokočník,J.Kostelecký,
A.Bezděk,G.Kletetschka
Sci Reps Nature 2020


Gravity aspects from recent Earth gravity model EIGEN 6C4 for geoscience and archaeology in Sahara, Egypt
J.Klokočník,V.Cílek,
J.Kostelecký,A.Bezděk
J Afr Earth Sci (Elsevier) 2020


A Gravity Search for Oil and Gas and Groundwater in Egypt Using the Strike Angles Derived from EIGEN 6C4
J.Klokočník,J.Kostelecký,
L.Varadzinová,A.Bezděk,
G.Kletetschka
Applied Sciences MDPI


How waking up during the night may relate to the occurence of water on the Moon?
reader should use Passcode: "7x5K#@y!"
Kletetschka, Hasson
Klokočník, Kostelecký, Bezděk,
Bazala, Takac, Svecová
Fairbank Alaska Univ. Jan 2021


Gravity aspects suggest that Isidis basin is buried volcano
G.Kletetschka,J.Klokočník,
J.Kostelecký,A.Bezděk 84th Annual Meeting of The Meteoritical Society 2021
(LPI Contrib.No.2609)
Chicago


Gravity aspects reveals more differentiated southern hemisphere that northern hemisphere of Mars
G.Kletetschka,J.Klokočník,
J.Kostelecký,A.Bezděk 84th Annual Meeting of The Meteoritical Society 2021
(LPI Contrib.No.2609)


Location of water deposits in the polar regions of the Moon
G.Kletetschka,J.Klokočník,
N.Hasson,J.Kostelecký,
A.Bezděk
52nd Lunar&Planet Sci Conf


Parent crater for Australasian tektites beneath the sands of the Alashan Desert,Nortwest China:Best candidate ever?
Mizera et al 2021
The Geological Society of Amerika
Special Paper 553


Artefacts in gravity field modelling
J.Klokočník,J.Kostelecký,
A.Bezděk,G.Kletetschka AGG 2021,18,4(204),511-524



The spatial distribution of the strike Angles derived from EIGEN 6C4 gravity model-a new possibility for oil and gas exploration?
J.Klokočník,J.Kostelecký,
A.Bezděk,V.Cílek
Internl J Oil,Gas and Coal
Techn 28(3),306-332


Gravity field aspects for identificiation of cosmic impact structures on Earth
J.Klokočník
A.Bezděk
J.Kostelecký
The Geological Society of America
Special Paper 553


Gravity and magnetic fields of Mars - new findings
J.Klokočník at al
EGU Wien, May 2022


Distribution of water phase near the poles of the Moon from gravity aspects
G.Kletetschka et al 2022
Scientific Reports Nature-Springer


Gravity aspects from recent gravity field model GRM1200A of the Moon and analysis of magnetic data
J.Klokočník et al 2022
Icarus 384 (2022) 115086


Atlas of the Gravity and Magnetic Fields of the Moon
Jaroslav Klokočník, Jan Kostelecký,
Václav Cílek, Aleš Bezděk,
Gunther Kletetschka
Springer-Cham


Institute seminar
5 December 2022
Jaroslav Klokočník


EGU Vienna 2023
Abstract
Poster


IUGG Berlin 2023
Abstract 1
Abstract 2
Poster 1
Poster 2


Gravitační aspekty pro Mars
Icarus 2023
Klokočník et al.


Nearly a decade of Swarm monthly gravity field models
Encarnacao et al.
Konference:
Swarm Data Quality Workshop
Frascati, Italy, Oct 2023.

Hydrocarbons on Mars
Klokočník J.,Kostelecký J.,
Bezděk A.,Cílek V.(2023)
IJA
1-33. doi:10.1017/S1473550423000216

Gravity strike angles from EIGEN6C4
to seek conditions favourable for hydrocarbon
occurrences in Artic zone
Polar Sci
Klokočník J.,Kostelecký J.
Bezděk A.

Groundwater at the southern pole
of the Moon via the gravity strike
angles: IM-1 and Artemis
Planet. Space Sci
Klokočník J.,Kostelecký J.
Bezděk A.

Popigai and Chicxulub craters:
multiple impacts and their associated grabens
Klokočník J.,Cílek V.
Kostelecký J. Bezděk A.

Gravity strike angles to study
various geological features
AGG 22, 2(218),151-182, 2025
Klokočník J.,Cílek V.
Kostelecký J. Bezděk A.

Polar caps of the Moon
Astrophysics and Space Science
Springer (2025) 370:67
Kostelecký J.,Klokočník J.,Bezděk A.

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25 February 2026