Results 41 to 50 of about 1,948 (180)

A model intercomparison analysing the link between column ozone and geopotential height anomalies in January [PDF]

, 2007
A statistical framework to evaluate the performance of chemistry-climate models with respect to the interaction between meteorology and column ozone during northern hemisphere mid-winter, in particularly January, is used.
P. Braesicke, Mancini, E., M. A. Giorgetta, Manzini, Elisa, Braesicke, P., Brühl, C., Dameris, Martin, Pitari, Giovanni, Damisris, M., Braesicke, Peter, E. Manzini, Steil, B., Pyle, J. A., Brühl, Christoph, Mancini, Eva, M. Dameris, G. Pitari, J. A. Pyle, Steil, Benedikt, Dameris, M., Pitari, G., Pyle, John, V. Eyring, Eyring, V., Giorgetta, M. A., R. Deckert, Giorgetta, Marco, Deckert, R., Eyring, Veronika, Manzini, E., Deckert, Rudolf, C. Brühl, E. Mancini, B. Steil   +33 more
core  

REGIONAL ANALYSIS OF RECENT GLOBAL GEOPOTENTIAL MODELS: A CASE STUDY IN TURKEY

SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings, 2017
17th International Multidisciplinary Scientific GeoConference, SGEM 2017 -- 29 June 2017 through 5 July 2017 -- -- 130787 Geoid is an equipotential surface of Earth’s gravity field, which partially coincides with the mean sea level and extended inside continents.
Demir, Selda, Abbak, Ramazan Alpay
openaire   +2 more sources

Contribution of global geopotential models to gravimetric geoid determination [PDF]

, 2018
Gravimetrik jeoit belirlemede global yerpotansiyel modellerinden, sayısal yükseklik modellerinden ve yersel gravite gözlemlerinden yararlanılır. Yeryuvarının tümüne homojen olarak yayılmış gravite gözlemlerinin değerlendirilmesiyle global yerpotansiyel ...
Demir, Selda
core  

Large-scale variations of global groundwater from satellite gravimetry and hydrological models, 2002-2012 [PDF]

, 2013
Groundwater storage is an important parameter in water resource management, land-surface processes and hydrological cycle. However, the traditional instruments are very difficult to monitor global groundwater storage variations due to high cost and ...
Jin, Shuanggen, Feng, Guiping
core   +1 more source

Tropical atmospheric circulation changes under global warming [PDF]

, 2013
This PhD thesis consists of three scientific articles. In the first one the tropical sea level pressure (SLP) response under global warming is investigated in a multi-model ensemble (MMEns) of climate models from the 3rd phase of the Coupled Model ...
Bayr, Tobias
core  

Estimating Canadian vertical datum offsets using GNSS/levelling benchmark information and GOCE global geopotential models

Journal of Geodetic Science, 2012
The performance of GOCE-based geopotential models is assessed for the estimation of offsets for three regional vertical datums in Canada with respect to a global equipotential surface using the GNSS benchmarks from the first-order vertical control ...
Hayden T., Amjadiparvar B., Rangelova E., Sideris M.G.   +3 more
doaj   +1 more source

Analysis and Selection of the Best Global Geopotential Model for Lebanon

Emerging Science Innovation
Accurate transformation of Global Positioning System (GPS) derived ellipsoidal heights to orthometric heights necessitates the selection of an optimal Global Geopotential Model (GGM). This study aims to identify the most accurate freely available high-resolution GGM for Lebanon.
null Mohamed Issa, null Mohammad Abboud
openaire   +1 more source

An evaluation of recent global geopotential models in Turkey [PDF]

, 2018
Uydular yaşantımızın her noktasında kullanılmakla birlikte askeri, gözlem, haberleşme, uyduları olarak sınıflandırılabilir. Dünya yörüngelerine uydular atmosferik olayların takibi, uzaktan algılama, iletişim, deformasyon çalışmaları ve jeodezi bilimine ...
Gökçe, Gökay
core   +1 more source

The mount Cameroon height determined from ground gravity data, global navigation satellite system observations and global geopotential models [PDF]

, 2016
This paper deals with the accurate determination of mount Cameroon orthometric height, by combining ground gravity data, global navigation satellite system (GNSS) observations and global geopotential models.
Kamguia, J., Ngouanet, C., Tadjou, J.M.
core   +2 more sources

Evaluating Global Geopotential Models Using GNSS/Levelling Observations: An Integrated Statistical and MCDA Framework

Nova Geodesia
Accurate orthometric height determination is essential for engineering geodesy, route surveying, and vertical datum modernization. This study evaluated selected Global Geopotential Models (GGMs) for orthometric height determination using GNSS/levelling ...
Audu Apollos Tukka, Ifechukwu Ugochukwu Nzelibe, Barnabas Jauro   +2 more
doaj   +1 more source