Zobrazeno 1 - 10
of 60
pro vyhledávání: '"HARALDUR OLAFSSON"'
Autor:
Mohammad Mansourmoghaddam, Iman Rousta, Haraldur Olafsson, Przemysław Tkaczyk, Stanisław Chmiel, Piotr Baranowski, Jaromir Krzyszczak
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 1, Pp 1205-1223 (2023)
Carbon Monoxide (CO) is an important urban pollutant with a relation to transition economies based on emission intensities. In this study, Sentinel-5, MODerate resolution Imaging Spectroradiometer (MODIS), and Landsat-8 images were used to investigat
Externí odkaz:
https://doaj.org/article/eaffed3185a44874ab3d6b616e46a083
Autor:
Iman Rousta, Fatemeh Shakiba, Haraldur Olafsson, Edgar Ricardo Monroy Vargas, Anna Siedliska, Jaromir Krzyszczak
Publikováno v:
Atmosphere, Vol 15, Iss 4, p 489 (2024)
The present study aimed to analyze the dynamics of vegetation within the Atrak catchment area, as well as its interplay with precipitation patterns. Moreover, additional emphasis was placed on exploring the impact of these dynamics on agricultural la
Externí odkaz:
https://doaj.org/article/d7c92046a42041b2a7c44acff4ac4d33
Autor:
Mohammad Hasan Mahoutchi, Esmaeil Abbasi, Faramarz Khoshakhlagh, Iman Rousta, Haraldur Olafsson, Piotr Baranowski, Jaromir Krzyszczak
Publikováno v:
Atmosphere, Vol 14, Iss 11, p 1673 (2023)
The accurate recognition of atmospheric circulation patterns is vital for understanding the intricate relationships among various climatic elements. Therefore, the main goal of this study is to comprehensively identify circulation patterns during the
Externí odkaz:
https://doaj.org/article/4be891bff0774032b84660caa8d03d1f
Autor:
Haraldur Olafsson, Iman Rousta
Publikováno v:
Acta Geographica Slovenica, Vol 62, Iss 1, Pp 105-124 (2022)
Changes in the vegetation of the Arctic and sub-Arctic regions have been used as indicators of the impact and seriousness of climate change. In this study, 342 MODIS NDVI images were used to monitor and assess the variability and long-term changes in
Externí odkaz:
https://doaj.org/article/15cefb22e06c49c196e3680e2fcf7158
Autor:
Alishbah Syed, Jiquan Zhang, Iman Rousta, Haraldur Olafsson, Safi Ullah, Md Moniruzzaman, Hao Zhang
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
The Climate Hazard Group InfraRed Precipitation with Stations (CHIRPS) dataset was examined for its variability and performance in explaining precipitation variations, forecasting, and drought monitoring in Southeast Asia (SEA) for the period of 1981
Externí odkaz:
https://doaj.org/article/452ba55d155d4a5eb0334e67bef92812
Autor:
Mohammad Mansourmoghaddam, Iman Rousta, Pedro Cabral, Ashehad A. Ali, Haraldur Olafsson, Hao Zhang, Jaromir Krzyszczak
Publikováno v:
Atmosphere, Vol 14, Iss 4, p 741 (2023)
Studies on how cities are affected by urban heat islands (UHI) are critical nowadays for a better understanding of the connected effects and for providing helpful insights for sustainable city development planning. In this study, Landsat-5 Thematic M
Externí odkaz:
https://doaj.org/article/dedaf6e8d03a4828a6e4c4e87a0a3ca8
Autor:
Mohammad Mansourmoghaddam, Negar Naghipur, Iman Rousta, Seyed Kazem Alavipanah, Haraldur Olafsson, Ashehad A. Ali
Publikováno v:
Land, Vol 12, Iss 4, p 885 (2023)
Several earth science investigations depend heavily on knowing the surface energy budget and determining surface temperature. The primary factor affecting the energy balance in the surface physical processes of the planet is the land surface temperat
Externí odkaz:
https://doaj.org/article/a73f3ab9a6fb4f898ab3fb1b1a499dc8
Autor:
Iman Rousta, Abazar Esmaeili Mahmoudabadi, Parisa Amini, Armin Nikkhah, Haraldur Olafsson, Jaromir Krzyszczak, Piotr Baranowski
Publikováno v:
Atmosphere, Vol 14, Iss 2, p 351 (2023)
Jet streams are atmospheric phenomena that operate on a synoptic scale and can intensify the descending/ascending conditions of the air at the lower levels of the atmosphere. This study aimed to identify the patterns and location of the jet stream in
Externí odkaz:
https://doaj.org/article/ef9f6f041d254954ad741c3d6f91c8fb
Publikováno v:
Atmosphere, Vol 14, Iss 2, p 382 (2023)
Settlements along the coastlines of oceans and lakes, which are among the world’s most densely populated areas, are in immediate danger due to stressors brought on by climate change and dangers posed by human activities. This study investigates the
Externí odkaz:
https://doaj.org/article/610f625002a6440d829fa00eeada6cbb
Autor:
Haraldur Olafsson, Iman Rousta
Publikováno v:
European Journal of Remote Sensing, Vol 54, Iss 1, Pp 351-363 (2021)
In this study, the relationship between vegetation dynamics and atmospheric patterns over Iceland from 2001-2019 has been assessed using remote sensing. This study is based on MODIS NDVI images, NCEP/NCAR reanalysis dataset and values of the North At
Externí odkaz:
https://doaj.org/article/930424154aa9460598840facca833dce