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29.702  Articles
1 of 2.971 pages  |  10  records  |  more records»
The knowledge of the Earth's gravity field and its temporal variations is the main goal of the dedicated gravity field missions CHAMP, GRACE and GOCE. Since then, several global geopotential models (GGMs) have been released. This paper uses geoid heights ... see more

Most aspects related to the horizontal component of the Geocentric ReferenceSystem for the Americas (SIRGAS) have been solved. However, in the case of thevertical component there are still aspects of definition, national realizations andcontinental unific... see more

The selection of a global geopotential model (GGM) for modeling the long-wavelength for geoid computation is imperative not only because of the plethora of GGMs available but more importantly because it influences the accuracy of a geoid model. In this st... see more

We have produced a global ensemble mean of the four third-generation climate reanalysis models for the years 1981–2010. The reanalysis system models used in this study are National Centers for Environmental Prediction (NCEP) Climate Forecast System ... see more

This paper aims to present a new estimate for the vertical offset between both Brazilian vertical data: DVB-I, in Imbituba-SC, and DVB-S, in Santana-AP. Brazilian Fundamental Altimetric Network (BFAN) currently has over 69000 stations with known normal-or... see more

Considering the definition of the International Height Reference System (IHRS) in the geopotential space (Resolution 1/2015, International Association of Geodesy - IAG), among the present main objectives of the international geodetic community is the mate... see more

The onshore exposures adjacent to modern, offshore passive continental margins may preserve evidence of deformation from the pre-, syn-, and post-rift phases of continental breakup that allow us to investigate the processes associated with and controlling... see more

FForecast errors exhibit the characteristics of approximations in simulating dynamical and physical processes in models. The models are very complex and hence it is not always possible to identify the approximations responsible for any particular error... see more

This paper computes heat (cold) waves for four homogeneous temperature regions over West Africa based on excess heat (cold) index and heat (cold) stress. Era Interim daily minimum and maximum temperature data, National Centers for Environmental Prediction... see more

1 of 2.971 pages  |  10  records  |  more records»