نتایج جستجو برای: grace potential changes
تعداد نتایج: 1847570 فیلتر نتایج به سال:
[1] This study presents the first direct comparison of terrestrial water storage estimates from the Gravity Recovery and Climate Experiment (GRACE) satellite mission to in situ hydrological observations. Monthly anomalies of total water storage derived from GRACE gravity fields are compared with combined soil moisture and groundwater measurements from a network of observing sites in Illinois. T...
The North China Plain (NCP) has been experiencing the most severe groundwater depletion in China, leading to a broad region of vertical motions of the Earth’s surface. This paper explores the seasonal and linear trend variations of surface vertical displacements caused by the groundwater changes in NCP from 2009 to 2013 using Global Positioning System (GPS) and Gravity Recovery and Climate Expe...
The Caspian Sea is the world's largest inland water body, studied for years. Sea, in which level changes were examined with data acquired from tide gauges past years, also observing using altimeter satellite improvement of programs. In addition, mass can be investigated GRACE and Follow-On (GRACE-FO) satellites, capture on earth. Within scope study, Equivalent Water Thickness (EWT) around Level...
Earthquakes at depths of ≥300 km are generally called deep-focus earthquakes. Only two earthquakes with Mw 8.0 or more have occurred in this century—the 2013 Okhotsk earthquake (Mw 8.3) and the 2018 Fiji 8.2) on 19 August 2018. However, was only reported seismographs, related crustal deformations were not observed by Global Navigation Satellite System because observation network did exist aroun...
BACKGROUND Risk stratification in acute coronary syndrome (ACS) aims to identify those patients who might benefit prognostically from further investigation and treatment. In addition, risk stratification models have been used by health authorities and hospitals in quality management activities. AIM The present study aimed at validating the Thrombolysis In Myocardial Infarction (TIMI) and The ...
OBJECTIVE To assess the accuracy of Global Registry of Acute Coronary Events (GRACE) scores in predicting mortality at 6 months for people with chronic obstructive pulmonary disease (COPD) and to investigate how it might be improved. METHODS Data were obtained on 481 849 patients with acute coronary syndrome admitted to UK hospitals between January 2003 and June 2013 from the Myocardial Ischa...
Background: Chest pain is the most common reason for patients to be referred to the emergency department of hospitals. This study was performed to compare the GRACE and TIMI scores in predicting important cardiovascular events in patients. Methods: This descriptive-analytical study was performed on 862 cardiac patients who were referred to the emergency department of Taleghani Hospital in Urmi...
Located in northwestern Niger, the Tim Mersoï Basin (TMB) is an important mining region scale of West Africa. Groundwater considered main source fresh water basin, especially for activities. It, therefore, appears essential to monitor their responses these However, no study has been carried out Basin. This aims evaluate groundwater storage changes (GWSC) TMB and analyze spatio-temporal evolutio...
Time series of regional 2× 2 Gravity Recovery and Climate Experiment (GRACE) solutions have been computed from 2003 to 2011 with a 10-day resolution by using an energy integral method over Australia (112 E–156 E; 44 S–10 S). This approach uses the dynamical orbit analysis of GRACE Level 1 measurements, and specially accurate along-track K-band range rate (KBRR) residuals with a 1 μm s−1 level o...
INTRODUCTION The GRACE and TIMI scores have been well validated for assessment of prognosis in non-ST-elevation acute coronary syndrome (NSTE-ACS). However, their value in predicting coronary artery disease (CAD) has been little studied. We aimed to assess the relationship between these scores and the extent of coronary disease. METHODS We analyzed 238 consecutive patients admitted for NSTE-A...
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