Filters








1,822 Hits in 8.0 sec

Sensitivity of Landsat 8 Surface Temperature Estimates to Atmospheric Profile Data: A Study Using MODTRAN in Dryland Irrigated Systems

2017 Remote Sensing  
Here, we contribute to these efforts by examining the impact of atmospheric correction on the estimation of LST, using atmospheric profiles derived from a range of in-situ, reanalysis, and satellite data  ...  Current satellite platforms provide a range of spatial and temporal resolution radiance data from which LST can be determined.  ...  Acknowledgments: Research reported in this publication was supported by the King Abdullah University of Science and Technology (KAUST).  ... 
doi:10.3390/rs9100988 fatcat:73g5tj4tdzblrp2lrzgciuzuzq

EVALUATION OF MODIS-DERIVED LST PRODUCTS WITH AIR TEMPERATURE MEASUREMENTS IN CYPRUS

Andreas Marios Georgiou, Stefani Theofanis Varnava
2019 Geoplanning: Journal of Geomatics and Planning  
Air temperature data is usually obtained from measurements made in meteorological stations, providing only limited information about spatial patterns over wide areas.  ...  In this study, LST values from MODIS are compared to ground-based near surface air (Tair) measurements obtained from 4 observational stations during 2011 to 2015, covering coastal, mountainous and urban  ...  ACKNOWLEDGMENTS The authors would like to thank the Department of Meteorology of the Ministry of Agriculture, Rural Development and Environment of Cyprus, for providing the data set from observational  ... 
doi:10.14710/geoplanning.6.1.1-12 fatcat:4jggr36q7rf5dfoq6f4iztxadm

Near-real time retrievals of land surface temperature within the MODIS Rapid Response System

A.C.T. Pinheiro, J. Descloitres, J.L. Privette, J. Susskind, L. Iredell, J. Schmaltz
2007 Remote Sensing of Environment  
The MODIS Rapid Response (RR) System was developed to meet the near real time needs of the applications community. Generally, its products are available online within hours of the satellite overpass.  ...  For example, although the standard MODIS LST requires prior retrieval of air temperature and water vapor from the MODIS scene, the RR LST employs a climatological database of atmospheric values based on  ...  Wan for his help with the official's MODIS LST code, Louis Giglio with suggestions for MODIS brightness temperature determination, Jack Xiong for information on MODIS sensor characteristics, and Nazmi  ... 
doi:10.1016/j.rse.2006.09.006 fatcat:w5htvue6ffhmrmsl4mjeqaqhiq

The Impact of Satellite-Derived Land Surface Temperatures on Numerical Weather Prediction Analyses and Forecasts

B. Candy, R. W. Saunders, D. Ghent, C. E. Bulgin
2017 Journal of Geophysical Research - Atmospheres  
Matchups have also been performed between satellite LSTs and observations from an in situ radiometer located in Southern England within a region of mixed land use.  ...  Experiments using these analyses in an NWP model have shown a benefit to the resulting forecasts of near-surface air temperature, particularly over Africa.  ...  Forecast data sets of air and soil temperature from the assimilation experiments are available upon request from the first author. These are stored in NetCDF format.  ... 
doi:10.1002/2016jd026417 fatcat:s7px2y4odvb75n2veabsnm56by

A New Approach to Studying Traditional Roof Behaviour in a Changing Climate—A Case Study from the Mediterranean Island of Malta

JoAnn Cassar, Charles Galdies, Elizabeth Muscat Azzopardi
2021 Heritage  
camera and in-situ measurements.  ...  with in-situ data.  ...  Measurements Measurements taken during Omega RH318 Temp: ±0.8 • C from the initial months at 25 cm, 1 External Air Air Temperature and Handheld −20 to 60 • C and 2 m, respectively, near Temperature RH  ... 
doi:10.3390/heritage4040196 fatcat:caz5sxzxcjhthfpqtnzd5secby

Recent Advances in Remote Sensing of Evapotranspiration

Nishan Bhattarai, Pradeep Wagle
2021 Remote Sensing  
, exist in the current state-of-the-art remote sensing-based ET models and products.  ...  However, quantifying and mapping the spatiotemporal distribution of ET across a large area is still a challenge, which limits our understanding of how a given ecosystem functions under a changing climate  ...  Acknowledgments: We would like to thank all the authors, reviewers, and editorial staffs who contributed to this special issue. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs13214260 fatcat:jxtpeugqrrbqjjd3iurimtqxzi

Improving evapotranspiration in a land surface model using biophysical variables derived from MSG/SEVIRI satellite

N. Ghilain, A. Arboleda, G. Sepulcre-Cantò, O. Batelaan, J. Ardö, F. Gellens-Meulenberghs
2012 Hydrology and Earth System Sciences  
The method is conceived to be applicable for near-real time processes at continental scale and relies on the use of a land cover map.  ...  Comparison with in-situ observations in Europe and Africa shows an improved estimation of the evapotranspiration, especially in semi-arid climates.  ...  Camacho de Coca and the LSA-SAF operating team to provide the LSA-SAF LAI and FVC images in near-real time, as well as DSSF, DSLF and AL. We also thank G.  ... 
doi:10.5194/hess-16-2567-2012 fatcat:hrm2qqncd5ctzi7i7mqkfzrmwy

A New Retrieval Algorithm for Soil Moisture Index from Thermal Infrared Sensor On-Board Geostationary Satellites over Europe and Africa and Its Validation

Nicolas Ghilain, Alirio Arboleda, Okke Batelaan, Jonas Ardö, Isabel Trigo, Jose-Miguel Barrios, Francoise Gellens-Meulenberghs
2019 Remote Sensing  
Making use of sensors aboard polar satellites sampling in the microwave spectrum, soil moisture can be measured and mapped globally every few days at a spatial resolution as fine as 25 km.  ...  In this context, measurements within the visible and infrared from geostationary satellites provide information on the surface from a totally different perspective.  ...  Several variables of interest for the land surface and land-atmosphere transfers are produced in near-real time over the entire SEVIRI field of view using MSG/SEVIRI acquired data.  ... 
doi:10.3390/rs11171968 fatcat:nwqz7qcbjrfpvn2jmj2rvvwtna

Appraisal of SMAP Operational Soil Moisture Product from a global perspective

Swati Suman, Prashant K. Srivastava, George P. Petropoulos, Dharmendra K. Pandey, Peggy E. O'Neill
2020 Remote Sensing  
For the product evaluation, co-orbital in situ SM measurements were used, acquired at 14 test sites in North America, Europe, and Australia belonging to the International Soil Moisture Network (ISMN) and  ...  The satellite SM estimates of up to 0−5 cm soil layer were compared against collocated ground measurements using a series of statistical scores.  ...  Acknowledgments: We thank all the in situ data set providers for making their data set available from USCRN, RSMN, REMEDHUS, WEGENERNET and OZNET networks through ISMN.  ... 
doi:10.3390/rs12121977 fatcat:flpiqkis6zg3rgkdqpyalabgku

The Silk Road agenda of the Pan-Eurasian Experiment (PEEX) program

Hanna K. Lappalainen, Markku Kulmala, Joni Kujansuu, Tuukka Petäjä, Alexander Mahura, Gerrit de Leeuw, Sergej Zilitinkevich, Merli Juustila, Veli-Matti Kerminen, Bob Bornstein, Zhang Jiahua, Xue Yong (+4 others)
2018 Big Earth Data  
However, climate change, air quality and related feedbacks are affecting the successful development of the environment and societies in the B&R geographical domain.  ...  A framework is needed in which a science and technology-based approach has the critical mass and expertise to identify the main steps toward solutions and is capable to implement this roadmap.  ...  Funding This work was support from the Academy of Finland No. 280700 (2014 -2017 ) and ClimEco No. 314 798/799 (2018-2020 and Russian Science Foundation projects No. 15-17-20009 (2015 -2018 ) and No  ... 
doi:10.1080/20964471.2018.1437704 fatcat:frlntdmb7jgffow3jdh73hkabm

Satellite and In Situ Observations for Advancing Global Earth Surface Modelling: A Review

Gianpaolo Balsamo, Anna Agustì-Parareda, Clément Albergel, Gabriele Arduini, Anton Beljaars, Jean Bidlot, Nicolas Bousserez, Souhail Boussetta, Andy Brown, Roberto Buizza, Carlo Buontempo, Frédéric Chevallier (+33 others)
2018 Remote Sensing  
surface exhibits a high degree of heterogeneity and discontinuities in space and time.  ...  In this paper, we review the use of satellite-based remote sensing in combination with in situ data to inform Earth surface modelling.  ...  Adrian Simmons and Alan Betts are thanked for their precious advice and review of early versions of this manuscript.  ... 
doi:10.3390/rs10122038 fatcat:qovifbs5crgbhhpwolysj4tuya

Remote Sensing Based Analysis of Recent Variations in Water Resources and Vegetation of a Semi-Arid Region

Shaowei Ning, Hiroshi Ishidaira, Parmeshwar Udmale, Yutaka Ichikawa
2015 Water  
This study is designed to demonstrate use of free remote sensing data to analyze response of water resources and grassland vegetation to a climate change induced prolonged drought in a sparsely gauged  ...  Water resource changes over Hulun Lake region derived from monthly Gravity Recovery and Climate Experiment (GRACE) and Tropical Rainfall Measuring Mission (TRMM) products were analyzed.  ...  Acknowledgments The authors would like to express their sincere gratitude to the Ministry of Education, Culture, Sports, Science and Technology (Monbukagakusho: MEXT) and University of Yamanashi, Japan  ... 
doi:10.3390/w7116039 fatcat:cy5vwqaqo5g3lmyold6ofxgtfe

Assessment of CHADFDM satellite‐based input dataset for the groundwater recharge estimation in arid and data scarce regions

Nafiseh Salehi Siavashani, Joaquin Jimenez‐Martinez, Guillermo Vaquero, Francisco J. Elorza, Justin Sheffield, Lucila Candela, Aleix Serrat‐Capdevila
2021 Hydrological Processes  
As meteorological data series collection is difficult in arid and semiarid areas, satellite products have recently become an alternative for water resources studies.  ...  A daily groundwater recharge estimation in the NW part of the Lake Chad Basin, using a soil-plant-atmosphere model (VisualBALAN), from ground-and satellite-based meteorological input dataset for non-irrigated  ...  The air temperature from satellite and field observations presented a high degree of similarity.  ... 
doi:10.1002/hyp.14250 fatcat:ttwtb2ramfdtjlsofyklhxenv4

Comparative Analysis of TMPA and IMERG Precipitation Datasets in the Arid Environment of El-Qaa Plain, Sinai

Mona Morsy, Thomas Scholten, Silas Michaelides, Erik Borg, Youssef Sherief, Peter Dietrich
2021 Remote Sensing  
This study compares the performance of two sets of satellite-based data of precipitation and in situ rainfall measurements. The dates selected refer to rainfall events between 2015 and 2018.  ...  The replenishment of aquifers depends mainly on precipitation rates, which is of vital importance for determining water budgets in arid and semi-arid regions.  ...  Three different daily IMERG products exist: IMERG Day 1 Early Run (near real-time with a latency of 6 h), IMERG Day 1 Late Run (reprocessed near real-time with a latency of 18 h), and IMERG Day 1 Final  ... 
doi:10.3390/rs13040588 fatcat:s2lsrn46nzbcbfbi5vtpqutcey

Remote Sensing for Irrigation of Horticultural Crops

2017 Horticulturae  
Horticulturae 2017, 3, 40 2 of 36 productivity will require an enabling policy and an institutional environment that aligns the incentives of producers, resource managers and society, and provides a mechanism  ...  A very large body of research, spanning almost four decades, has demonstrated that much of the required agricultural information can be derived from remotely sensed data [28] starting from crop water status  ...  infrared data, and data on canopy cover and surface emissivity deduced from the near-infrared (NIR) and visible bands. 5 Sensing of crop and soil characteristics in order to guide timing, placement,  ... 
doi:10.3390/horticulturae3020040 fatcat:4axxl4k5yfagbdca6sojbu2baq
« Previous Showing results 1 — 15 out of 1,822 results