نتایج جستجو برای: grace potential changes

تعداد نتایج: 1847570  

Journal: :Pure and Applied Geophysics 2021

Abstract The GRACE/GRACE-FO satellites have observed large scale mass changes, contributing to the budget calculation of hydro-and cryosphere. observable changes must be in order 300 km or bigger resolved. Smaller glaciers and hydrologic basins significantly contribute closure water balance, but are not detected with present spatial resolution satellite. challenge future satellite gravity missi...

اشکان فرخ‌نیا سعید مرید,

برآورد مؤلفه‌های مختلف بیلان آب در مقیاس‌های مکانی بزرگ به دلیل عدم در اختیار بودن داده‌های مناسب، همواره با مشکلات فراوانی روبرو بوده است. در سال‌های اخیر با رشد فزاینده پایگاه‌های داده جهانی مبتنی بر برآوردهای ماهواره‌ای و همچنین افزایش توانایی‌های سخت‌افزاری و نرم‌افزاری در مدل‌سازی فرآیندهای پیچیده حاکم بر بیلان آب در سطح زمین، کوشش‌های زیادی به منظور استفاده مناسب از این ابزارهای نوین جهت...

Journal: :Water 2023

The Gravity Recovery and Climate Experiment (GRACE) its successor, the GRACE Follow-On (GRACE-FO) gravity satellite missions, have been providing monthly field solutions for almost 20 years, enabling a unique opportunity to monitor large-scale mass variation processes. anomaly time series Aral Sea region has obtained period of April 2002 January 2022. method determining from GRACE-FO improved b...

2014
J. Bouman M. Fuchs E. Ivins W. van der Wal E. Schrama P. Visser M. Horwath

The orbit and instrumental measurement of the Gravity Field and Steady State Ocean Circulation Explorer (GOCE) satellite mission offer the highest ever resolution capabilities for mapping Earth’s gravity field from space. However, past analysis predicted that GOCE would not detect changes in ice sheet mass. Here we demonstrate that GOCE gravity gradiometry observations can be combined with Grav...

2016
Yotsawee Chotechuang Arintaya Phrommintikul Roungtiva Muenpa Jayanton Patumanond Tuanchai Chaichuen Srun Kuanprasert Noparat Thanachikun Thanawat Benjanuwatra Apichard Sukonthasarn

BACKGROUND Fibrinolytic therapy is the main reperfusion therapy for most STEMI patients in several countries. Current practice guidelines recommended routine early pharmacoinvasive (within 3-24 h after successful fibrinolysis, however it cannot be performed in timely fashion due to limitation of PCI-capable hospitals. This study aimed to evaluate the prognostic utility of the GRACE score in pat...

2007
Roelof Rietbroek

The satellite mission GRACE (Gravity Recovery and Climate Experiment) provides monthly solutions of the global gravity field of the Earth. Temporal variations in gravity reflect mass redistributions over the Earth. Those mass movements are caused by physical phenomena such as ice sheet dynamics, accumulation of hydrological masses over land, the dynamics in the solid Earth and the dynamics in t...

Journal: :Geophysical Research Letters 2021

Abstract GRACE observations revealed that rapid mass loss in the West Antarctic Ice Sheet (WAIS) abruptly paused 2015, followed by a much lower rate of ( Gt yr −1 ) until decommissioning 2017. The critical 1‐year intermission data gap raises question whether reduced persists. Swarm gravimetry data, which have resolution, show good agreement with GRACE/GRACE‐FO during overlapping period, i.e., h...

2005
Adam B. Smith Jeffrey P. Walker Kevin M. Ellett

Monitoring changes in the Earth’s gravity field for terrestrial water storage change (soil moisture, ground water, snow etc.) is a relatively new and novel concept that has been inspired by the Gravity Recovery And Climate Experiment (GRACE) satellite mission. GRACE will soon be providing time varying maps of the Earth’s gravity. However, there has been no field based study to demonstrate that ...

2016
Bernice Leland

whence she had come nor whither she was bound, for she had no record of any kind with her. When she was questioned her vocabulary seemed to consist solely of head shakings and a few utterly unintelligible syllables. It is not recorded how Grace happened to be thrust into a second grade that first day. But it was the second grade teacher who began to complain, a few days later, of "that little n...

Journal: :Arquivos brasileiros de cardiologia 2010
Luis C L Correia Rafael Freitas Ana P Bittencourt Alexandre C Souza Maria C Almeida Jamile Leal José Péricles Esteves

BACKGROUND Although the TIMI score is the one most frequently used in acute coronary syndromes (ACS) without ST-segment elevation, the GRACE score has potential prognostic superiority, as it was created based on an observational registry, part of the variables is treated in a semi-quantitative form and renal function is taken into account in its calculation. OBJECTIVE To test the hypothesis t...

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