Academic literature on the topic 'GRACE mission'

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Journal articles on the topic "GRACE mission"

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Shukla, M., V. Maurya, and R. Dwivedi. "GROUNDWATER MONITORING USING GRACE MISSION." International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B3-2021 (June 28, 2021): 425–30. http://dx.doi.org/10.5194/isprs-archives-xliii-b3-2021-425-2021.

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Abstract. Since last few decades, India has met to major crises related to groundwater. Major cities, for example, Delhi, Chennai, Bengaluru etc. are facing extreme risk of water crisis. In next few decades, this may lead to a major water crisis when this non-renewable resource is exhausted. Gravity Recovery and Climate Experiment (GRACE) mission, widely used for monitoring of groundwater storage change, could be utilized to get the information of exact amount of water above or below the surface of the earth that may be used to counter act over such situation of water crisis. GRACE mission consists of two earth orbiting satellite vehicles (SVs) separated by 220 km with the objective of computing change in gravity by increasing or decreasing distance between both the SVs caused by higher or lower gravity masses. The primary objective of the presented work is to obtain the liquid water equivalent height in a selected area using GRACE mission data with GLDAS soil moisture data. The advantage of using GRACE is that it provides better accuracy (fraction of 1cm) in comparison to traditional methods, therefore, larger extent could be covered. This paper extensively discusses about GRACE application (especially groundwater monitoring), challenges with GRACE missions and about effective methods for groundwater recharge.
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Godah, Walyeldeen, Jagat Dwipendra Ray, Malgorzata Szelachowska, and Jan Krynski. "The Use of National CORS Networks for Determining Temporal Mass Variations within the Earth’s System and for Improving GRACE/GRACE-FO Solutions." Remote Sensing 12, no. 20 (2020): 3359. http://dx.doi.org/10.3390/rs12203359.

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Temporal mass variations within the Earth’s system can be detected on a regional/global scale using GRACE (Gravity Recovery and Climate Experiment) and GRACE Follow-On (GRACE-FO) satellite missions’ data, while GNSS (Global Navigation Satellite System) data can be used to detect those variations on a local scale. The aim of this study is to investigate the usefulness of national GNSS CORS (Continuously Operating Reference Stations) networks for the determination of those temporal mass variations and for improving GRACE/GRACE-FO solutions. The area of Poland was chosen as a study area. Temporal variations of equivalent water thickness ΔEWT and vertical deformations of the Earth’s surface Δh were determined at the sites of the ASG-EUPOS (Active Geodetic Network of the European Position Determination System) CORS network using GRACE/GRACE-FO-based GGMs and GNSS data. Moreover, combined solutions of ΔEWT were developed by combining ΔEWT obtained from GNSS data with the corresponding ones determined from GRACE satellite mission data. Strong correlations (correlation coefficients ranging from 0.6 to 0.9) between detrended Δh determined from GRACE/GRACE-FO satellite mission data and the corresponding ones from GNSS data were observed at 93% of the GNSS stations investigated. Furthermore, for the determination of temporal mass variations, GNSS data from CORS network stations provide valuable information complementary to GRACE satellite mission data.
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Simonov, Konstantin, and Alexander Matsulev. "Comparative analysis and interpretation of grace and grace-fo data." Informatization and communication 4 (November 2020): 101–6. http://dx.doi.org/10.34219/2078-8320-2020-11-4-101-106.

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The study is devoted to the analysis of the features of the change in the Equivalent Water Height (EWH) parameter over the geoid based on satellite measurements of space systems. The study used the GRACE and GRACE-FO satellite data archive. The assessment was carried out on Earth as a whole, including land areas and the World Ocean. Interpretation of the anomalous state of the geoenvironment is performed using digital maps of the spatial distribution of the EWH parameter based on the histogram approach and correlation analysis. Also, a comparative analysis of the studied data from the GRACE mission and data from the new GRACE-FO satellite system launched into orbit in the summer of 2018 was carried out.
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Haagmans, Roger, Christian Siemes, Luca Massotti, Olivier Carraz, and Pierluigi Silvestrin. "ESA’s next-generation gravity mission concepts." Rendiconti Lincei. Scienze Fisiche e Naturali 31, S1 (2020): 15–25. http://dx.doi.org/10.1007/s12210-020-00875-0.

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Abstract The paper addresses the preparatory studies of future ESA mission concepts devoted to improve our understanding of the Earth’s mass change phenomena causing temporal variations in the gravity field, at different temporal and spatial scales, due to ice mass changes of ice sheets and glaciers, continental water cycles, ocean masses dynamics and solid Earth deformations. The ESA initiatives started in 2003 with a study on observation techniques for solid Earth missions and continued through several studies focusing on the satellite system, technology development for propulsion and distance metrology, preferred mission concepts, the attitude and orbit control system, as well as the optimization of the satellite constellation. These activities received precious inputs from the GOCE, GRACE and GRACE-FO missions. More recently, several studies related to new sensor concepts based on cold atom interferometry (CAI) were conducted, mainly focusing on technology development for different instrument configurations (GOCE-like and GRACE-like) and including validation activities, e.g. a first successful airborne survey with a CAI gravimeter. The latest results concerning the preferred satellite architectures and constellations, payload design and estimated science performance will be presented as well as remaining open issues for future concepts.
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Pivetta, T., C. Braitenberg, and D. F. Barbolla. "Geophysical Challenges for Future Satellite Gravity Missions: Assessing the Impact of MOCASS Mission." Pure and Applied Geophysics 178, no. 6 (2021): 2223–40. http://dx.doi.org/10.1007/s00024-021-02774-3.

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AbstractThe GRACE/GRACE-FO satellites have observed large scale mass changes, contributing to the mass budget calculation of the hydro-and cryosphere. The scale of the observable mass changes must be in the order of 300 km or bigger to be resolved. Smaller scale glaciers and hydrologic basins significantly contribute to the closure of the water mass balance, but are not detected with the present spatial resolution of the satellite. The challenge of future satellite gravity missions is to fill this gap, providing higher temporal and spatial resolution. We assess the impact of a geodetic satellite mission carrying on board a cold atom interferometric gradiometer (MOCASS: Mass Observation with Cold Atom Sensors in Space) on the resolution of simulated geophysical phenomena, considering mass changes in the hydrosphere and cryosphere. Moreover, we consider mass redistributions due to seamounts and tectonic movements, belonging to the solid earth processes. The MOCASS type satellite is able to recover 50% smaller deglaciation rates over a mountain range as the High Mountains of Asia compared to GRACE, and to detect the mass of 60% of the cumulative number of glaciers, an improvement respect to GRACE which detects less than 20% in the same area. For seamounts a significantly smaller mass eruption could be detected with respect to GRACE, reaching a level of mass detection of a submarine basalt eruption of 1.6 109 m3. This mass corresponds to the eruption of Mount Saint Helens. The simulations demonstrate that a MOCASS type mission would significantly improve the resolution of mass changes respect to existing geodetic satellite missions.
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Földváry, Lorant, Victor Statov, and Nizamatdin Mamutov. "Applicability of GRACE and GRACE-FO for monitoring water mass changes of the Aral Sea and the Caspian Sea." InterCarto. InterGIS 26, no. 2 (2020): 443–53. http://dx.doi.org/10.35595/2414-9179-2020-2-26-443-453.

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The GRACE gravity satellite mission has provided monthly gravity field solutions for about 15 years enabling a unique opportunity to monitor large scale mass variation processes. By the end of the GRACE, the GRACE-FO mission was launched in order to continue the time series of monthly gravity fields. The two missions are similar in most aspects apart from the improved intersatellite range rate measurements, which is performed with lasers in addition to microwaves. An obvious demand for the geoscientific applications of the monthly gravity field models is to understand the consistency of the models provided by the two missions. This study provides a case-study related consistency investigation of GRACE and GRACE-FO monthly solutions for the Aral Sea region. As the closeness of the Caspian Sea may influence the monthly mass variations of the Aral Sea, it has also been involved in the investigations. According to the results, GRACE-FO models seem to continue the mass variations of the GRACE period properly, therefore their use jointly with GRACE is suggested. Based on the justified characteristics of the gravity anomaly by water volume variations in the case of the Aral Sea, GRACE models for the period March–June 2017 are suggested to be neglected. Though the correlation between water volume and monthly gravity field variations is convincing in the case of the Aral Sea, no such a correlation for the Caspian Sea could have been detected, which suggests to be the consequence of other mass varying processes, may be related to the seismicity of the Caspian Sea area.
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Jensen, Laura, Annette Eicker, Henryk Dobslaw, and Roland Pail. "Emerging Changes in Terrestrial Water Storage Variability as a Target for Future Satellite Gravity Missions." Remote Sensing 12, no. 23 (2020): 3898. http://dx.doi.org/10.3390/rs12233898.

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Climate change will affect the terrestrial water cycle during the next decades by impacting the seasonal cycle, interannual variations, and long-term linear trends of water stored at or beyond the surface. Since 2002, terrestrial water storage (TWS) has been globally observed by the Gravity Recovery and Climate Experiment (GRACE) and its follow-on mission (GRACE-FO). Next Generation Gravity Missions (NGGMs) are planned to extend this record in the near future. Based on a multi-model ensemble of climate model output provided by the Coupled Model Intercomparison Project Phase 6 (CMIP6) covering the years 2002–2100, we assess possible changes in TWS variability with respect to present-day conditions to help defining scientific requirements for NGGMs. We find that present-day GRACE accuracies are sufficient to detect amplitude and phase changes in the seasonal cycle in a third of the land surface, whereas a five times more accurate double-pair mission could resolve such changes almost everywhere outside the most arid landscapes of our planet. We also select one individual model experiment out of the CMIP6 ensemble that closely matches both GRACE observations and the multi-model median of all CMIP6 realizations, which might serve as basis for satellite mission performance studies extending over many decades to demonstrate the suitability of NGGM satellite missions to monitor long-term climate variations in the terrestrial water cycle.
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Tapley, Byron D. "Gravity model determination from the GRACE mission." Journal of the Astronautical Sciences 56, no. 3 (2008): 273–85. http://dx.doi.org/10.1007/bf03256553.

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Purkhauser, Anna F., Christian Siemes, and Roland Pail. "Consistent quantification of the impact of key mission design parameters on the performance of next-generation gravity missions." Geophysical Journal International 221, no. 2 (2020): 1190–210. http://dx.doi.org/10.1093/gji/ggaa070.

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SUMMARY The GRACE and GRACE-FO missions have been observing time variations of the Earth's gravity field for more than 15 yr. For a possible successor mission, the need to continue mass change observations have to be balanced with the ambition for monitoring capabilities with an enhanced spatial and temporal resolution that will enable improved scientific results and will serve operational services and applications. Various study groups performed individual simulations to analyse different aspects of possible NGGMs from a scientific and technical point of view. As these studies are not directly comparable due to different assumptions regarding mission design and instrumentation, the goal of this paper is to systematically analyse and quantify the key mission parameters (number of satellite pairs, orbit altitude, sensors) and the impact of various error sources (AO, OT models, post-processing) in a consistent simulation environment. Our study demonstrates that a single-pair mission with laser interferometry in a low orbit with a drag compensation system would be the only possibility within the single-pair options to increase the performance compared to the GRACE/GRACE-FO. Tailored post-processing is not able to achieve the same performance as a double-pair mission without post-processing. Also, such a mission concept does not solve the problems of temporal aliasing due to observation geometry. In contrast, double-pair concepts have the potential to retrieve the full AOHIS signal and in some cases even double the performance to the comparable single-pair scenario. When combining a double-pair with laser interferometry and an improved accelerometer, the sensor noise is, apart from the ocean tide modelling errors, one of the limiting factors. Therefore, the next big step for observing the gravity field globally with a satellite mission can only be taken by launching a double pair mission. With this quantification of key architecture features of a future satellite gravity mission, the study aims to improve the available information to allow for an informed decision making and give an indication of priority for the different mission concepts.
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Nade, Sydney. "Doctor Number 49: Grace Warren of the Leprosy Mission - by Grace Warren." ANZ Journal of Surgery 77, no. 3 (2007): 180. http://dx.doi.org/10.1111/j.1445-2197.2006.04011.x.

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Dissertations / Theses on the topic "GRACE mission"

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Baggett, Erin Maureen. "The Hope and grace mission." College Park, Maryland : University of Maryland, 2004. http://hdl.handle.net/1903/1937.

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Thesis (M.F.A.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Dept. of English. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Pfaffenzeller, Jose Antonio. "God's people mobilized by grace for mission." Online full text .pdf document, available to Fuller patrons only, 1991. http://www.tren.com.

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Garcia, Ramon V. "Local geoid determination from GRACE mission /." The Ohio State University, 2001. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486398195325232.

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McKenzie-Stearns, Precious. "On a mission : Grace Ellison's An Englishwoman in a Turkish harem /." Electronic version (PDF), 2003. http://dl.uncw.edu/etd/2003/mckenziep/preciousmckenzie-stearns.pdf.

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Loomis, Bryant. "Simulation study of a follow-on gravity mission to GRACE." Diss., Connect to online resource, 2005. http://wwwlib.umi.com/cr/colorado/fullcit?p1430177.

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Ruby, Herbert E. "From mission church to mission station keeping the vision alive into the second decade /." Theological Research Exchange Network (TREN), 1993. http://www.tren.com.

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Ahern, Kevin Joachim. "Structures of Grace: Catholic Nongovernmental Organizations and the Mission of the Church." Thesis, Boston College, 2013. http://hdl.handle.net/2345/bc-ir:104378.

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Thesis advisor: David Hollenbach<br>Transnational Catholic nongovernmental organizations (NGOs) are among the most active agents in the promotion of the global common good as they seek to overcome the structures of sin that divide the human family. This dissertation investigates the theological and ethical significance of Catholic NGOs by developing a critical framework that uncovers the relationship between these organizations and the church's mission. Part One considers the global context and theoretical foundations of Catholic NGO action by examining social scientific literature (Chapter One) and modern Catholic teaching on the relationship between mission and justice (Chapter Two). Part Two places the theoretical foundations into dialogue with two case studies--the International Movement of Catholic Students-Pax Romana (Chapter Three) and the Jesuit Refugee Service (Chapter Four). This critical investigation of both theory and praxis illuminates several missiological, pneumatological, and ethical conclusions that are addressed in the final part (Chapter Five). This dissertation asserts three conclusions regarding the theological signifigance of Catholic NGOs. First, in contrast to some interpretations of the role of the church in the world, the actions of Catholic NGOs for the global common good are an integral part of the church's mission. Second, these organizations can be described as structures of grace as they embody charity and charism in their efforts to overcome the divisive effects of structural sin. Finally, a more robust awareness of the theological dimensions of their work can aid these and other organizations respond more effectively and ethically to the demands of the global common good today<br>Thesis (PhD) — Boston College, 2013<br>Submitted to: Boston College. Graduate School of Arts and Sciences<br>Discipline: Theology
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McStraw, Travis Clinton. "An Open-Source Web-Application for Regional Analysis of GRACE Groundwater Data and Engaging Stakeholders in Groundwater Management." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8144.

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Since 2002, NASA's GRACE Satellite mission has allowed scientists of various disciplines to analyze and map the changes in Earth's total water storage on a global scale. Although the raw data is available to the public, the process of viewing, manipulating, and analyzing the GRACE data can be difficult for those without strong technological backgrounds in programming or geospatial software. This is particularly true for water managers in developing countries, where GRACE data could be a valuable asset for sustainable water resource management. To address this problem, I have a developed a utility for subsetting GRACE data to particular regions of interest and I have packaged that utility in a web app that allows water managers to quickly and easily visualize GRACE data these regions. Using the GLDAS-Noah Land Surface Model, the total water storage for the regions derived from the raw GRACE data is decomposed into surface water, soil moisture, and groundwater components. The GRACE Groundwater Subsetting Tool is easily deployed, open-source, and provides access to all of the major signal processing solutions available for the total water storage data. The application has been successfully applied to both developed and developing countries in various parts of the world, including the Central Valley region in California, Bangladesh, the La Plata River Basin in South America, and the SERVIR Hindu Kush Himalaya region. The groundwater data in this application has proven capable of monitoring groundwater use based on drought trends as well as agricultural demand in a number of locations and can assist in uniting decision makers and water users in the mission of sustainably managing the world's groundwater resources.
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Prevost, Paoline. "Extraction des variations spatio-temporelles du champ de gravité à partir des données de la mission spatiale GRACE : méthodes et applications géophysiques." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLEE017.

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L’estimation des variations spatio-temporelles du champ de gravité terrestre à partir des mesures de la mission satellitaire Gravity Recovery and Climate Experiment (GRACE) ont permis de mieux comprendre les redistributions de masse à des échelles de temps mensuelle, saisonnière ou décennale. Les solutions GRACE produites par différents centres, adoptant des stratégies de traitement différentes, conduisent à des résultats cohérents. Cependant, ces solutions présentent aussi des erreurs aléatoires et systématiques, celles-ci pouvant avoir une structure spatio-temporelle spécifique. Afin de réduire le bruit et améliorer la qualité des signaux géophysiques présents dans les données GRACE, plusieurs méthodes ont été proposées mais nécessitent en général des informations a priori sur la structure spatio-temporelle du bruit pourtant mal connue. Malgré les efforts considérables effectués pour améliorer la qualité des données GRACE pour des applications géophysiques de plus en plus fines, le filtrage du bruit reste une question problématique comme exposé dans le Chapitre 1. Dans cette thèse, nous proposons une approche différente, utilisant une technique de filtrage spatio-temporel, la Multichannel Singular Spectrum Analysis (M-SSA) décrite dans le Chapitre 2. La M-SSA est une méthode s’adaptant aux données, à variables multiples et non-paramétrique, qui exploite simultanément les corrélations spatiales et temporelles d’un champ géophysique. Nous utilisons la M-SSA sur 13 ans de données GRACE en harmoniques sphériques distribuées par cinq centres de calculs. Nous montrons que cette méthode permet d’extraire les modes de variabilité communs aux différentes solutions, et de réduire significativement les erreurs spatio-temporelles spécifiques à chaque solution et liées aux différentes stratégies de calculs. En particulier, cette méthode filtre efficacement les stries Nord-Sud dues, entre autres, aux imperfections des modèles de corrections des phénomènes connus. Dans le Chapitre 3, nous comparons notre solution GRACE à d’autres solutions en harmoniques sphériques et à des solutions basées sur des blocs de concentration de masse (mascons) utilisant des a priori sur la structure spatio-temporelle du signal géophysique. Nous comparons également les performances de notre solution M-SSA GRACE par rapport à d’autres solutions en calculant la déformation de surface induite par les variations de masse déduites des mesures GRACE et en la comparant avec des mesures indépendantes de déplacement provenant des stations du Global Navigation Satellite System (GNSS). Enfin, nous discutons dans le Chapitre 4 d’une application possible d’une solution GRACE améliorée pour répondre à des questions encore débattues liées au rebond post-glaciaire. Plus précisément, nous nous intéressons à la séparation du signal du rebond post-glaciaire, lié à la fonte ancienne, du signal de fonte récente des glaces dans la région de la Géorgie du Sud<br>Measurements of the spatio-temporal variations of Earth’s gravity field recovered from the Gravity Recovery and Climate Experiment (GRACE) mission have led to unprecedented insights into large spatial mass redistribution at secular, seasonal, and sub-seasonal time scales. GRACE solutions from various processing centers, while adopting different processing strategies, result in rather coherent estimates. However, these solutions also exhibit random as well as systematic errors, with specific spatial and temporal patterns in the latter. In order to dampen the noise and enhance the geophysical signals in the GRACE data, several methods have been proposed. Among these, methods based on filtering techniques require a priori assumptions regarding the spatio-temporal structure of the errors. Despite the large effort to improve the quality of GRACE data for always finer geophysical applications, removing noise remains a problematic question as discussed in Chapter 1. In this thesis, we explore an alternative approach, using a spatio-temporal filter, namely the Multichannel Singular Spectrum Analysis (M-SSA) described in Chapter 2. M-SSA is a data-adaptive, multivariate, and non-parametric method that simultaneously exploits the spatial and temporal correlations of geophysical fields to extract common modes of variability. We perform an M-SSA simultaneously on 13 years of GRACE spherical harmonics solutions from five different processing centers. We show that the method allows for the extraction of common modes of variability between solutions, and removal of the solution-specific spatio-temporal errors arising from each processing strategies. In particular, the method filters out efficiently the spurious North-South stripes, most likely caused by aliasing of the imperfect geophysical correction models of known phenomena. In Chapter 3, we compare our GRACE solution to other spherical harmonics solutions and to mass concentration (mascon) solutions which use a priori information on the spatio-temporal pattern of geophysical signals. We also compare performance of our M-SSA GRACE solution with respect to others by predicting surface displacements induced by GRACE-derived mass loading and comparing results with independent displacement data from stations of the Global Navigation Satellite System (GNSS). Finally, in Chapter 4 we discuss the possible application of a refined GRACE solution to answer debated post-glacial rebound questions. More precisely, we focus on separating the post-glacial rebound signal related to past ice melting and the present ice melting in the region of South Georgia
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Burkholder, Jared T. "An evaluation of Grace University's 1997, six month, mission training program in Mali, West Africa." Online full text .pdf document, available to Fuller patrons only, 2003. http://www.tren.com.

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Books on the topic "GRACE mission"

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Sense of grace and mission. Amanza Ltd., 2012.

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CIM/AIMM: A story of vision, commitment, and grace. Fairway Press, 1998.

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United Methodist Church (U.S.). Grace upon grace: The mission statement of the United Methodist Church. Graded Press, 1990.

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Seven years of grace: The inspired mission of Achsa W. Sprague. Vermont Historical Society, 2016.

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A meal with Jesus: Discovering grace, community, and mission around the table. Crossway, 2011.

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Mirrors of grace: The spirit and spiritualities of the Maryknoll Fathers and Brothers. Orbis Books, 2011.

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Grace at the garbage dump: Making sense of mission in the twenty-first century. Cascade Books, 2012.

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Churches, World Council of, ed. Sacrament and struggle: Signs and instruments of grace from the downtrodden. WCC Publications, 1994.

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Mission shaped by promise: Lutheran missiology confronts the challenge of religious pluralism. Pickwick Publications, 2012.

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By grace transformed: Christianity for a new millennium. Crossroad Pub. Co., 1999.

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Book chapters on the topic "GRACE mission"

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Flechtner, Frank, Phil Morton, Mike Watkins, and Frank Webb. "Status of the GRACE Follow-On Mission." In Gravity, Geoid and Height Systems. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10837-7_15.

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Svehla, Drazen. "First GPS Baseline in Space—The GRACE Mission." In Geometrical Theory of Satellite Orbits and Gravity Field. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76873-1_8.

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Chen, Runjing, and Bibo Peng. "Upper Atmospheric Density Retrieval from Accelerometer on Board GRACE Mission." In Lecture Notes in Electrical Engineering. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-46632-2_9.

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Kim, J. R., P. J. Roesset, S. V. Bettadpur, B. D. Tapley, and M. M. Watkins. "Error Analysis of the Gravity Recovery and Climate Experiment (GRACE) Mission." In Gravity, Geoid and Geodynamics 2000. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-662-04827-6_17.

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Dahill, Lisa E. "“Unworthy of the Earth”: Fallibilism, Place, Terra Nullius, and Christian Mission." In The Grace of Being Fallible in Philosophy, Theology, and Religion. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-55916-8_5.

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Albertella, Alberta, Roman Savcenko, Tijana Janjić, Reiner Rummel, Wolfgang Bosch, and Jens Schröter. "Mean Dynamic Ocean Topography in the Southern Ocean from GRACE and GOCE and Multi-mission Altimeter Data." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37222-3_10.

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Kirschner, Michael, Franz-Heinrich Massmann, and Michael Steinhoff. "GRACE." In Distributed Space Missions for Earth System Monitoring. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4541-8_19.

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Spretnak, Charlene. "Her Mystical Body of Grace." In Missing Mary. Palgrave Macmillan US, 2004. http://dx.doi.org/10.1007/978-1-4039-7854-7_8.

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Bazin, Catherine. "Les ouvroirs des Franciscaines missionnaires de Marie ou « la grâce du travail »." In La mission au féminin. Brepols Publishers, 2009. http://dx.doi.org/10.1484/m.atdm-eb.4.00062.

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Hanson, Ian. "Mass Grave Investigation and Identifying Missing Persons: Challenges and Innovations in Archaeology and Anthropology in the Context of Mass Death Environments." In Handbook of Missing Persons. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-40199-7_31.

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Conference papers on the topic "GRACE mission"

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Shaddock, Daniel A. "Overview of the GRACE Follow-on Mission." In Optical Instrumentation for Energy and Environmental Applications. OSA, 2014. http://dx.doi.org/10.1364/e2.2014.eth4a.3.

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Presti, D., J. Herman, and A. Codazzi. "Mission Operations System Design and Adaptations for the Twin-Satellite Mission GRACE." In Space OPS 2004 Conference. American Institute of Aeronautics and Astronautics, 2004. http://dx.doi.org/10.2514/6.2004-382-219.

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Condi, Francis, John Ries, and Byron Tapley. "The new GRACE gravity mission and its value to exploration." In SEG Technical Program Expanded Abstracts 2004. Society of Exploration Geophysicists, 2004. http://dx.doi.org/10.1190/1.1842417.

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Herman, Jaap. "Balancing, Turning, Saving Special AOCS Operations to extend the GRACE Mission." In SpaceOps 2012. American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-1275114.

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Stephens, M., R. Craig, J. Leitch, et al. "Demonstration of an Interferometric Laser Ranging System for a Follow-On Gravity Mission to GRACE." In 2006 IEEE International Symposium on Geoscience and Remote Sensing. IEEE, 2006. http://dx.doi.org/10.1109/igarss.2006.288.

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Kowalczyk, Kamil, and Joanna Kuczynska-Siehien. "Testing Correlation between Vertical Crustal Movements and Geoid Uplift for North Eastern Polish Border Areas." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.206.

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Long time span of observations from GNSS permanent stations can be used in the development of models of vertical crustal movements. The absolute vertical crustal movement related to the ellipsoid consists of the observed movement with relation to the mean sea level, the eustatic movement and the geoid uplift. The geoid uplift can be determined from GRACE satellite mission observations. The calculated parameters can be compared with the theoretical ones. The aim of this study is to check the correlation between vertical crustal movements and a geoid height variations determined from satellite data. GNSS data, levelling data and satellite observations for north eastern Polish border areas were used as a case study. Temporal variations of geoid were calculated based on the geopotential models from GRACE satellite observations. The obtained results give an overview of a possibility of the proposed method usage.
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Lygin, I. V., and N. S. Tkachenko. "Results of the Preliminary Analysis of Gravimetric Materials of the Grace Satellite Mission on the North-East Sector of the Pacific Ocean." In Marine Technologies 2019. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201901812.

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Jardine, Leslie J., Georg B. Borisov, Sergey I. Rovny, Konstantin G. Kudinov, and Alexander A. Shvedov. "An Opportunity to Immobilize 1.6 MT or More of Weapons-Grade Plutonium at the Mayak and Krasnoyarsk-26 Sites." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1272.

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Abstract The Mayak Production Association (PA Mayak), an industrial site in Russia, will be assigned multiple new plutonium disposition missions in order to implement the Agreement Between The Government Of The United States Of America And The Government Of Russian Federation Concerning The Management And Disposition Of Plutonium Designated As No Longer Required For Defense Purposes And Related Cooperation signed September 1, 2000, by Gore and Kasyanov, In addition, the mission of industrial-scale mixed-oxide (MOX) fabrication will be assigned to either the Mining Chemical Combine (MCC) industrial site at Krasnoyarsk-26 (K-26) or PA Mayak. Over the next decades, these new missions will generate radioactive wastes containing weapons-grade plutonium. The existing Mayak and K-26 onsite facilities and infrastructures cannot currently treat and immobilize these Pu-containing wastes for storage and disposal. However, the wastes generated under the Agreement must be properly immobilized, treated, and managed. New waste treatment and immobilization missions at Mayak may include operating facilities for plutonium metal-to-oxide conversion processes, industrial-scale MOX fuel fabrication, BN-600 PAKET hybrid core MOX fuel fabrication, and a plutonium conversion demonstration process. The MCC K-26 site, if assigned the industrial-scale MOX fuel fabrication mission, would also need to add facilities to treat and immobilize the Pu-containing wastes. This paper explores the approach and cost of treatment and immobilization facilities at both Mayak and K-26. The current work to date at Mayak and MCC K-26 indicates that the direct immobilization of 1.6 MT of weapons-grade plutonium is a viable and cost-effective alternative.
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Maldague, Pierre F., and Steven S. Wissler. "Towards a Cradle-to-Grave, Mission-Wide Simulation System." In 15th International Conference on Space Operations. American Institute of Aeronautics and Astronautics, 2018. http://dx.doi.org/10.2514/6.2018-2414.

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McConnell, M. L. "The Development of GRAPE, a Gamma Ray Polarimeter Experiment." In GAMMA-RAY BURST AND AFTERGLOW ASTRONOMY 2001: A Workshop Celebrating the First Year of the HETE Mission. AIP, 2003. http://dx.doi.org/10.1063/1.1579413.

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Reports on the topic "GRACE mission"

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Rademacher, Steven E. The Influence of Heterogeneity in Gamma Spectroscopy Analysis of Soil Contaminated with Weapons Grade Plutonium at the BOMARC Missile Accident Site, McGuire AFB, NJ. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada397752.

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