Zobrazeno 1 - 10
of 115
pro vyhledávání: '"ZhaoJun Zheng"'
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
In the MODIS snow product collection 6.1 (C6.1), some snowy pixels are misclassified as cloud pixels due to an excessive cloud mask algorithm. This increases cloud contamination in normalized difference snow index (NDSI) and affects snow mapping accu
Externí odkaz:
https://doaj.org/article/bfb22caf1a024c00abc66dce4969ed33
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
China’s second generation of geostationary meteorological satellites Fengyun-4 (FY-4) are equipped with the Advanced Geosynchronous Radiation Imager (AGRI) which has the advantages of large number of spectral bands and high temporal resolution. To
Externí odkaz:
https://doaj.org/article/63c6390c63894ac9bdef360d9acdede1
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 57, Iss , Pp 102103- (2025)
Study region: Eastern Qilian Mountains, China Study focus: It is important to monitor snow cover via high-spatiotemporal-resolution remote sensing data. However, there is a trade-off between the high/low spatial resolution and low/high temporal resol
Externí odkaz:
https://doaj.org/article/d00f743bb8e74e4d837222e95eaef1b5
Autor:
Qingyu Gu, Jiahui Xu, Jingwen Ni, Xiaobao Peng, Haixi Zhou, Linxin Dong, Bailang Yu, Jianping Wu, Zhaojun Zheng, Yan Huang
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 133, Iss , Pp 104102- (2024)
Snow depth (SD) is essential for studying climate change and hydrological cycle on the Tibetan Plateau (TP). Despite the effectiveness of passive microwave remote sensing for large-scale SD measurement, its low spatial resolution and scanning gaps li
Externí odkaz:
https://doaj.org/article/6e48580a444b436a8f19e2fdc54dc7a7
Publikováno v:
Remote Sensing, Vol 16, Iss 22, p 4178 (2024)
This study evaluates the accuracy of the U.S. interactive multisensor snow and ice mapping system (IMS) 1 km product with recall, precision, false alarm rate, and overall accuracy by utilizing ground-observed snow depth data from meteorological stati
Externí odkaz:
https://doaj.org/article/0b71d2ecac2144c98c6a698684ad7fb6
Autor:
Simon Gascoin, Kari Luojus, Thomas Nagler, Hans Lievens, Mariano Masiokas, Tobias Jonas, Zhaojun Zheng, Patricia De Rosnay
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
The spatial and temporal variation of the seasonal snowpack in mountain regions is recognized as a clear knowledge gap for climate, ecology and water resources applications. Here, we identify three salient topics where recent developments in snow rem
Externí odkaz:
https://doaj.org/article/97ccafb462b74c518ed8a4e6147a5132
Assessing satellite and reanalysis-based precipitation products in cold and arid mountainous regions
Autor:
Yaru Yang, Wenzheng Ji, Liting Niu, Zhaojun Zheng, Weidong Huang, Changshun Zhang, Xiaohua Hao, Jianshe Xiao, Hongyi Li
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 51, Iss , Pp 101612- (2024)
Study region: The Xiying and Heihe River basins, cold and arid mountainous regions of northwestern China. Study focus: In data-limited areas of Northwestern China, satellite- and reanalysis-based precipitation products provide crucial assistance. How
Externí odkaz:
https://doaj.org/article/b344a72bfd944927b95dc834a9ac0f3a
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Fermentation process plays an important role in the biochemical properties and quality of cigar tobacco leaves (CTLs). In industry, exogenous additive (EA) was usually adopted for improving the quality of CTLs during fermentation. However, t
Externí odkaz:
https://doaj.org/article/bb66baebc7eb477b8106712829ea12e3
Publikováno v:
Frontiers in Microbiology, Vol 14 (2023)
IntroductionThe main goal of tobacco fermentation technology is to minimize the alkaloid content while improving flavor substance content.MethodsThis study revealed the microbial community structure and their metabolic functions during cigar leaf fer
Externí odkaz:
https://doaj.org/article/26afeda5b2874134b64c43efcabaffe5
Autor:
Yanjun Liu, Chunhua Jiao, Tao Zhang, Xue Li, Panpan Li, Meishan Lu, Zhan Ye, Yanpeng Du, Runfeng Du, Wenlong Zhang, Jie Xu, Zhaojun Zheng, Yongjiang Xu, Changhu Xue, Yi Zhang, Yuanfa Liu
Publikováno v:
Research, Vol 6 (2023)
Localized intestine inflammation could induce short-term increases in colonic oxygenation and leads to increases in the aerobic bacteria population and reduction in the anaerobic bacteria population by changing the intestinal environment. However, th
Externí odkaz:
https://doaj.org/article/7fd6ddf5a8e94fe798ad33e39caac8c4