نتایج جستجو برای: omi sensor
تعداد نتایج: 189902 فیلتر نتایج به سال:
Introduction The Netherlands are actively involved in atmospheric composition measurements from space since 1995 with measurements from the GOME, sCIAMAChY and OMI satellite instruments. The MetOp satellite series with GOME-2 onboard will continue these measurements until 2020, thereby providing an important global climate data record. KNMI plays an active and often leading role in the analysis...
Background Feature-tracking cardiovascular magnetic resonance (FTCMR) provides quantification of myocardial strain by analyzing cine MR images. A previous study has reported that CS measured by FT-CMR showed reasonable agreement with tagged MR in healthy volunteers. However, the usefulness of FT-CMR in patients with old myocardial infarction (OMI) has not been investigated. The purpose of this ...
Preface Background The Ozone Monitoring Instrument OMI is a Dutch-Finnish ozone monitoring instrument that will fly on NASA's Aura Mission, part of the Earth Observation System (EOS), scheduled for launch in January 2004. OMI's measurements of ozone columns and profiles, aerosols, clouds, surface UV irradiance, and the trace gases NO 2 , SO 2 , HCHO, BrO, and OClO fit well into Aura's mission g...
BACKGROUND Growth differentiation factor (GDF)-15, a divergent member of the transforming growth factor beta super-family does appear to be up-regulated in response to experimental pressure overload and progression of heart failure (HF). HF frequently develops after myocardial infarction (MI), contributing to worse outcome. The aim of this study is to assess the correlation between GDF-15 level...
We use a 2005–2009 record of isoprene emissions over Africa derived from Ozone Monitoring Instrument (OMI) satellite observations of formaldehyde (HCHO) to better understand the factors controlling isoprene emission in the continent and evaluate the impact on atmospheric composition. OMI-derived isoprene emissions show large seasonality over savannas driven by temperature and leaf area index (L...
An analysis is presented for both ground- and satellite-based retrievals of total column ozone and nitrogen dioxide levels from the Washington, D.C., and Baltimore, Maryland, metropolitan area during the NASA-sponsored July 2011 campaign of Deriving Information on Surface COnditions from Column and VERtically Resolved Observations Relevant to Air Quality (DISCOVER-AQ). Satellite retrievals of t...
هدف از این پژوهش ارزیابی روند شاخص هواویز (AI) فصلی در ایران است. در این راستا، دادههای سنجندة TOMS دو ماهوارة Nimbus 7 و Earth Probe و سنجندة OMI ماهوارة Aura اخذ شد و از آزمون ناپارامتریک من- کندال (MK) برای شناسایی روند شاخص هواویز استفاده شد. نتایج نشان داد دادههای سنجندة TOMS ماهوارة EP برای مطالعة روند مناسب نیست، زیرا از سال 2001 دادههای این سنجنده کالیبراسیون نمیشود. بیشینه و کمینة ...
Answers to referee #2 comments received and published on 10 April 2008, on the manuscript: "Comparison of OMI ozone and UV irradiance data with ground-based measurements at two French sites." General comments : This well-written paper presents a comparison between OMI (TOMS-like and DOASlike) estimated total ozone content (TOC) and the value retrieved from two Jobin Yvon spectroradiometers at t...
We retrieve slant column NO2 from the superzoom mode of the Ozone Monitoring Instrument (OMI) to explore its utility for understanding NOx emissions and variability. Slant column NO2 is operationally retrieved from OMI (Boersma et al., 2007; Bucsela et al., 2006) with a nadir footprint of 13× 24 km2, the result of averaging eight detector elements on board the instrument. For 85 orbits in late ...
OBJECTIVE To examine the effect of bite force on the displacement and stress distribution of orthodontic mini-implants (OMIs) in the molar region according to placement site, insertion angle, and loading direction. METHODS Five finite element models were created using micro-computed tomography (microCT) images of the maxilla and mandible. OMIs were placed at one maxillary and two mandibular p...
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