Results 51 to 60 of about 15,551,128 (182)

Temporal and spatial variations in maximum river discharge from a new Russian data set [PDF]

open access: yes, 2007
Floods cause more damage in Russia than any other natural disaster, and future climate model projections suggest that the frequency and magnitude of extreme hydrological events will increase in Russia with climate change.
Lammers, Richard B.   +4 more
core   +3 more sources

Expansion of the Sahara Desert and shrinking of frozen land of the Arctic. [PDF]

open access: yes, 2020
Expansion of the Sahara Desert (SD) and greening of the Arctic tundra-glacier region (ArcTG) have been hot subjects under extensive investigations. However, quantitative and comprehensive assessments of the landform changes in these regions are lacking ...
Liu, Ye, Xue, Yongkang
core   +1 more source

Trends in the incidence of rain rates associated with outages on fixed links operating above 10 GHz in the southern United Kingdom [PDF]

open access: yes, 2010
Studies have shown that climate change is leading to an increase in the incidence of heavy rain in the United Kingdom, particularly over winter. The major interest has been on the hydrological impacts of this increase, and so studies have focused on rain
Paulson, Kevin S.
core   +1 more source

A Trend Analysis of Machine Learning Research with Topic Models and Mann-Kendall Test

open access: yesInternational Journal of Intelligent Systems and Applications, 2019
— This paper aims to systematically examine the literature of machine learning for the period of 1968~2017 to identify and analyze the research trends. A list of journals from well-established publishers ScienceDirect, Springer, JMLR, IEEE (approximately
Deepak Sharma, B. Kumar, S. Chand
semanticscholar   +1 more source

Spatiotemporal Rainfall Variability and Drought Assessment during Past Five Decades in South Korea Using SPI and SPEI

open access: yesAtmosphere, 2022
About 41% of the earth is drought-affected, which has impacted nearly 2 billion people, and it is expected that more than 90% of terrestrial areas will be degraded by 2050.
Muhammad Farhan Ul Moazzam   +4 more
doaj   +1 more source

Modeling of GRACE-Derived Groundwater Information in the Colorado River Basin [PDF]

open access: yes, 2019
Groundwater depletion has been one of the major challenges in recent years. Analysis of groundwater levels can be beneficial for groundwater management.
Ahmad, Sajjad   +3 more
core   +2 more sources

Changes in wet nitrogen deposition in the United States between 1985 and 2012

open access: yesEnvironmental Research Letters, 2014
The United States (US) is among the global hotspots of nitrogen (N) deposition and assessing the temporal trends of wet N deposition is relevant to quantify the effectiveness of existing N regulation policies and its consequent environmental effects ...
Enzai Du   +4 more
doaj   +1 more source

Non-Intrusive Arc Fault Detection and Localization Method Based on the Mann–Kendall Test and Current Decomposition

open access: yesEnergies, 2023
In recent years, electrical fires caused by arc faults have been increasing, seriously affecting the safety of people’s lives and property. Considering the complex arc fault characteristics of actual low-voltage users, the non-intrusive arc fault ...
Wenqian Jiang   +5 more
doaj   +1 more source

Hydrological trend analysis due to land use changes at Langat River Basin. [PDF]

open access: yes, 2010
This present study was carried out to detect the spatial and temporal change (1974-2000) in hydrological trend and its relationship to land use changes in the Langat River Basin.
Abu Samah, Mohd Armi   +5 more
core  

Untenable nonstationarity: An assessment of the fitness for purpose of trend tests in hydrology [PDF]

open access: yes, 2018
The detection and attribution of long-term patterns in hydrological time series have been important research topics for decades. A significant portion of the literature regards such patterns as ‘deterministic components’ or ‘trends’ even though the ...
Kilsby, Chris G.   +2 more
core   +1 more source

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