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6,408 Results Found

  • Proceeding Paper
  • Open Access
534 Views
7 Pages

Long-Term Trends and Variability of Heatwaves in Greece

  • Panagiotis Ioannidis,
  • Anna Mamara,
  • Vasileios Armaos and
  • Athanassios A. Argiriou

This study investigates the long-term trends and variability of heatwaves in Greece, analyzing their frequency, duration, and intensity from 1960 to 2022 using high-quality meteorological data from the Hellenic National Meteorological Service. The re...

  • Article
  • Open Access
10 Citations
3,590 Views
20 Pages

Long-Term Studies of Biological Components of Atmospheric Aerosol: Trends and Variability

  • Alexandr S. Safatov,
  • Irina S. Andreeva,
  • Galina A. Buryak,
  • Sergei E. Olkin,
  • Irina K. Reznikova,
  • Boris D. Belan,
  • Mikhail V. Panchenko and
  • Denis V. Simonenkov

20 April 2022

Background: Biological components of atmospheric aerosol affect the quality of atmospheric air. Long-term trends in changes of the concentrations of total protein (a universal marker of the biogenic component of atmospheric aerosol) and culturable mi...

  • Technical Note
  • Open Access
5 Citations
4,393 Views
13 Pages

3 December 2021

This study analyses long-term trends in temperature and wind climatology based on ERA5 data. We study climatology and trends separately for every decade from 1980 to 2020 and their changes during this period. This study is focused on the pressure lev...

  • Article
  • Open Access
1,287 Views
12 Pages

Long-Term Changes and Trends in the F2 Layer Critical Frequency over Alma-Ata (Kazakhstan)

  • Galina Gordiyenko,
  • Artur Yakovets,
  • Yurii Litvinov and
  • Murat Zhiganbayev

24 December 2024

The long-term variability and trends in the F2 layer critical frequency variations over Alma-Ata [43.25 N, 77.92 E] for the period 07.1957–04.2018 are studied using near-midday, near-midnight, and hourly median foF2 values. It is shown that the...

  • Review
  • Open Access
17 Citations
4,901 Views
27 Pages

Review of Long-Term Trends in the Equatorial Ionosphere Due the Geomagnetic Field Secular Variations and Its Relevance to Space Weather

  • Ana G. Elias,
  • Blas F. de Haro Barbas,
  • Bruno S. Zossi,
  • Franco D. Medina,
  • Mariano Fagre and
  • Jose V. Venchiarutti

28 December 2021

The Earth’s ionosphere presents long-term trends that have been of interest since a pioneering study in 1989 suggesting that greenhouse gases increasing due to anthropogenic activity will produce not only a troposphere global warming, but a coo...

  • Article
  • Open Access
28 Citations
5,160 Views
19 Pages

The long-term trends of sea surface wind are of great importance to our understanding of the effects of climate change on the marine environment. In the northern South China Sea (SCS), the long-term changes in coastal sea surface wind are not well-un...

  • Article
  • Open Access
9 Citations
2,789 Views
20 Pages

Seasonal Variability and Hydrological Patterns Influence the Long-Term Trends of Nutrient Loads in the River Po

  • Edoardo Cavallini,
  • Pierluigi Viaroli,
  • Mariachiara Naldi,
  • Mattia Saccò,
  • Alessandro Scibona,
  • Elena Barbieri,
  • Silvia Franceschini and
  • Daniele Nizzoli

16 September 2024

This study investigates the long-term trends (1992–2022) of nitrogen and phosphorus loadings exported by the River Po to the Adriatic Sea, to better analyse how changes in hydrology are affecting the timing and magnitude of river nutrient loads...

  • Article
  • Open Access
1 Citations
955 Views
20 Pages

Regional Divergence in Long-Term Trends of the Marine Heatwave over the East China Sea

  • Qun Ma,
  • Zhao-Jun Liu,
  • Wenbin Yin,
  • Ming-Xuan Lu and
  • Jun-Bo Ma

1 October 2025

Marine heatwaves (MHWs) pose a serious threat to the marine ecosystems and fishery resources in the East China Sea (ECS). Based on National Oceanic and Atmospheric Administration Optimum Interpolation Sea Surface Temperature High Resolution version 2...

  • Article
  • Open Access
16 Citations
5,935 Views
20 Pages

13 November 2020

Validation of daily Optimum Interpolation Sea Surface Temperature (OISST) data from 1982 to 2018 was performed by comparison with quality-controlled in situ water temperature data from Korea Meteorological Administration moored buoys and Korea Oceano...

  • Article
  • Open Access
8 Citations
3,728 Views
16 Pages

Long-Term Trends of Extreme Climate Indexes in the Southern Part of Siberia in Comparison with Those of Surrounding Regions

  • Takanori Watanabe,
  • Hiroshi Matsuyama,
  • Irina Kuzhevskaia,
  • Olga Nechepurenko,
  • Vladislav Chursin and
  • Valerii Zemtsov

8 July 2023

Siberia, which experienced disastrous heat waves in 2010 and 2012, is one of the regions in which extreme climate events have occurred recently. To compare the long-term trends of extreme climate events in the southern part of Siberia with those of s...

  • Article
  • Open Access
2,704 Views
20 Pages

29 April 2020

The fake below-ground meridional wind (FBGMW) exists in reanalysis products which is not present in the real atmosphere and should be removed before calculating the mass stream function (MSF). In this study, the impacts of FBGMW on Hadley circulation...

  • Article
  • Open Access
1 Citations
1,276 Views
21 Pages

The surface settlement of railroad tunnels is dynamically updated as the construction progresses, exhibiting complex nonlinear characteristics. The accuracy of the on-site nonlinear regression fitting prediction method needs to be improved. To preven...

  • Article
  • Open Access
13 Citations
3,670 Views
9 Pages

Long-Term Trends of Air Pollution at National Atmospheric Observatory Košetice (ACTRIS, EMEP, GAW)

  • Milan Váňa,
  • Adéla Holubová Smejkalová,
  • Jaroslava Svobodová and
  • Pavel Machálek

The National Atmospheric Observatory Košetice operated by the Czech Hydrometeorological Institute was established in 1988 as a station specializing in air quality monitoring at the background scale. The observatory is located in the free area...

  • Article
  • Open Access
1,413 Views
13 Pages

28 September 2024

A quasi-consensus has steadily formed in the scientific literature on the fact that the prevention measures implemented by most countries to curb the 2020 COVID-19 pandemic have led to significant reductions in pollution levels around the world, espe...

  • Article
  • Open Access
7 Citations
3,427 Views
12 Pages

Gender Differences in the Epidemiological Characteristics and Long-Term Trends of Injuries in Taiwan from 1998 to 2015: A Cross-Sectional Study

  • Pin-San Chou,
  • Shi-Hao Huang,
  • Ren-Jei Chung,
  • Yao-Ching Huang,
  • Chi-Hsiang Chung,
  • Bing-Long Wang,
  • Chien-An Sun,
  • Shu-Min Huang,
  • I-Long Lin and
  • Wu-Chien Chien

Objective: This study used a long-term trend analysis to investigate whether gender differences were related to the risk of injury and epidemiological characteristics in Taiwan from 1998 to 2015. Materials and methods: Data on 4,647,259 hospitalized...

  • Article
  • Open Access
31 Citations
6,692 Views
15 Pages

Complications due to chronic obstructive pulmonary disease (COPD) is a leading cause of death in China and the United States (U.S.). This study aimed to investigate the long-term trends in COPD mortality in China and the U.S. using data from the Glob...

  • Article
  • Open Access
2 Citations
4,612 Views
11 Pages

17 March 2021

The population dynamics of Hazel Grouse were studied by presence/absence recording at stationary sites along fixed routes (110 km) in the central part of Šumava (Bohemian Forest, Czech Republic) from 1972 to 2019. The 100 km2 study area covered altit...

  • Article
  • Open Access
888 Views
21 Pages

Quantifying long-term variations in the cloud liquid water path (LWP) is crucial to obtain a better understanding of the processes relevant to cloud–climate feedback. The 12-year (2013–2024) time series of LWP values obtained from ground-...

  • Article
  • Open Access
4 Citations
2,494 Views
13 Pages

Wave power (WP) is a strategic oceanic resource. Previous studies have extensively researched the long-term variations in WP in the South China Sea (SCS) for energy planning and utilization. This study extends the analysis of long-term trends to the...

  • Article
  • Open Access
3 Citations
5,517 Views
22 Pages

4 May 2018

We monitored consecutive generations of three lupine-feeding specialist butterflies in pine-oak barrens in central Wisconsin, USA: Frosted Elfin (Callophrys irus), Karner Blue (Lycaeides melissa samuelis), and Persius Duskywing (Erynnis persius) duri...

  • Article
  • Open Access
9 Citations
3,942 Views
18 Pages

Total Ozone Trends in East Asia from Long-Term Satellite and Ground Observations

  • Daegeun Shin,
  • Young-Suk Oh,
  • Wonick Seo,
  • Chu-Yong Chung and
  • Ja-Ho Koo

29 July 2021

The ozone concentration in the atmosphere has been recovering with the reduction in atmospheric ozone-depleting substances (ODS). However, ODS remain in the atmosphere for long periods, slowing recovery. Furthermore, greenhouse gas-induced climate ch...

  • Article
  • Open Access
2,668 Views
19 Pages

9 July 2025

Rain attenuation of radio waves with frequencies above 10 GHz causes a serious problem in wireless communications. For wireless systems design, highly accurate methods for estimating the magnitude of attenuation have long been studied. ITU-R recommen...

  • Article
  • Open Access
8 Citations
3,989 Views
16 Pages

20 September 2023

Seasonal–trend-decomposed transformer has empowered long-term time series forecasting via capturing global temporal dependencies (e.g., period-based dependencies) in disentangled temporal patterns. However, existing methods design various auto-...

  • Article
  • Open Access
570 Views
17 Pages

18 November 2025

This study analyzes mean sea level variability in the Canary Islands from 1993 to 2022 using tide gauge and satellite altimetry data. During this period, both Las Palmas de Gran Canaria and Santa Cruz de Tenerife exhibited a significant sea level ris...

  • Article
  • Open Access
23 Citations
5,960 Views
14 Pages

Long Term Trends and Dynamics of Dissolved Organic Carbon (DOC) in a Subtropical Reservoir Basin

  • Ming Fai Chow,
  • Chao-Chen Lai,
  • Hsiang-Yi Kuo,
  • Chih-Hsien Lin,
  • Tzong-Yueh Chen and
  • Fuh-Kwo Shiah

20 July 2017

This study evaluates the long term trends and seasonal patterns of dissolved organic carbon (DOC) concentration in the Fei-Tsui Reservoir basin in Northern Taiwan during the period of 2000 to 2015. The non-parametric seasonal Mann-Kendall test was co...

  • Article
  • Open Access
31 Citations
20,121 Views
26 Pages

Long-Term Trends of Global Wine Market

  • Noa Ohana-Levi and
  • Yishai Netzer

The major factors of wine trade have been showing distinct patterns of temporal trends worldwide in past decades. Wine consumption, production, imports, and exports differ according to their location and classification to Old World and New World wine...

  • Article
  • Open Access
4 Citations
3,246 Views
9 Pages

Detecting Mortality Trends in the Netherlands Across 625 Causes of Death

  • Marianna Mitratza,
  • Anton E. Kunst and
  • Jan W. P. F. Kardaun

Cause of death (COD) data are essential to public health monitoring and policy. This study aims to determine the proportion of CODs, at ICD-10 three-position level, for which a long-term or short-term trend can be identified, and to examine how much...

  • Article
  • Open Access
10 Citations
1,742 Views
13 Pages

9 August 2023

Astroclimatic conditions characterize the quality of an astronomical site. The Terskol Observatory was founded over 42 years ago in 1980. The astronomical site (coordinates 43°16′29″ N, 42°30′03″ E) is located about 10...

  • Article
  • Open Access
7 Citations
3,733 Views
14 Pages

16 March 2023

Tropospheric ozone (O3) is highly variable over space and time reflecting local production and destruction as well as addition and loss through regional and long-range transport. In this study, O3 concentrations at 11 stations in Ireland and their lo...

  • Proceeding Paper
  • Open Access
2,640 Views
7 Pages

Seasonal and Long-Term Trends on Involuntary Mental Health Admissions in Attica, Greece

  • Ioannis Rizavas,
  • Rossetos Gournellis,
  • Nikos Pantazis,
  • Evdokia Missouridou,
  • Kostas Lagouvardos and
  • Athanasios Douzenis

The aim of this study was to assess any seasonal and long-term trends on involuntary admissions. Seasonal pattern and long-term variation were examined statistically and analyzed using Poisson models with robust standard errors, including 1-year peri...

  • Article
  • Open Access
18 Citations
6,700 Views
20 Pages

Evaluation of Long-Term Trends of Rainfall in Perak, Malaysia

  • Muhammad Faisal Hanif,
  • Muhammad Raza Ul Mustafa,
  • Muhammad Usman Liaqat,
  • Ahmad Mustafa Hashim and
  • Khamaruzaman Wan Yusof

18 March 2022

This study aimed to examine the spatiotemporal seasonal and annual trends of rainfall indices in Perak, Malaysia, during the last 35 years, as any seasonal or spatial variability in rainfall may influence the regional hydrological cycle and water res...

  • Article
  • Open Access
5 Citations
2,228 Views
16 Pages

Long-Term Trends in Inferred Continental Background Ozone in Eastern Australia

  • Matthew L. Riley,
  • Ningbo Jiang,
  • Hiep Nguyen Duc and
  • Merched Azzi

1 July 2023

A better understanding of background tropospheric ozone delivers multiple benefits. Robust estimates of regional background ozone are required to understand the limits of anthropogenic emissions controlling ozone reduction. Long-term estimates of bac...

  • Article
  • Open Access
3 Citations
4,598 Views
11 Pages

Safety inspectorates have been established for all modes of transport in Norway. This paper explores whether establishing a safety inspectorate is related to safety performance. Long-term trends in safety in aviation and rail were compared before and...

  • Article
  • Open Access
18 Citations
7,897 Views
20 Pages

10 November 2021

The availability of nearly three decades of sea-level estimates from satellite altimetry, for the period from 1993 to the present, is exploited for understanding the climatology of sea level and its long-term variability in the Arabian Gulf (also kno...

  • Article
  • Open Access
1 Citations
2,966 Views
14 Pages

In contrast to fairly good knowledge of seasonal and interannual variability in North Atlantic salinity, its long-term historical changes remain poorly characterized, making it difficult to assess the current state and possible future changes. To fil...

  • Article
  • Open Access
9 Citations
4,388 Views
15 Pages

5 January 2020

Data on historical extreme events provides information not only for water resources planning and management but also for the design of disaster-prevention measures. However, most basins around the globe lack long-term hydro-meteorological information...

  • Article
  • Open Access
38 Citations
4,153 Views
19 Pages

A Spatio-Temporal Analysis of Active Fires over China during 2003–2016

  • Xikun Wei,
  • Guojie Wang,
  • Tiexi Chen,
  • Daniel Fiifi Tawia Hagan and
  • Waheed Ullah

1 June 2020

Fire is a common circumstance in the world. It causes direct casualties and economic losses, and also brings severe negative influences on the atmospheric environment. In the background of climate warming and rising population, it is important to und...

  • Article
  • Open Access
3 Citations
2,141 Views
16 Pages

Altered Trends in Light Use Efficiency of Grassland Ecosystem in Northern China

  • Liuhuan Yuan,
  • Tianyou Zhang,
  • Hongbin Yao,
  • Cheng Zheng and
  • Zhongming Wen

7 November 2023

Light use efficiency (LUE) is a crucial indicator used to reflect the ability of terrestrial ecosystems to transform light energy. Understanding the long-term trends in LUE and its influencing factors are essential for determining the future carbon s...

  • Article
  • Open Access
1,227 Views
11 Pages

26 January 2025

The technique of Dynamic Factor Analysis (DFA), which aims to reduce the dimensionality of time-series data, was utilized in order to model the changes over time in eight different long-time-series weeds (26 years) growing in a biennial cereal–...

  • Review
  • Open Access
27 Citations
4,029 Views
8 Pages

10 January 2022

There is not only space weather; there is also space climate. Space climate includes the ionospheric climate, which is affected by long-term trends in the ionosphere. One of the most important ionospheric parameters is the critical frequency of the i...

  • Article
  • Open Access
2 Citations
2,835 Views
14 Pages

Long-Term Trends in Respiratory Syncytial Virus A Infections (2007–2024) in Korea

  • Jeong Su Han,
  • Sung Hun Jang,
  • Jae-Sik Jeon and
  • Jae Kyung Kim

Background/Objectives: Respiratory syncytial virus A (RSV A) is the leading cause of respiratory infections, particularly in vulnerable populations. This study aimed to investigate the long-term epidemiological trends of RSV A infection in the Republ...

  • Article
  • Open Access
5 Citations
3,201 Views
33 Pages

21 February 2024

One of the main effects of climate change is rising sea levels, which presents challenges due to its geographically heterogenous nature. Often, contradictory results arise from examining different sources of measurement and time spans. This study add...

  • Article
  • Open Access
45 Citations
6,312 Views
16 Pages

Water transparency is a useful indicator of water quality or productivity and is widely used to detect long-term changes in the water quality and eutrophication of lake ecosystems. Based on short-term spatial observations in the spring, summer, and w...

  • Article
  • Open Access
1 Citations
4,062 Views
29 Pages

21 November 2021

This study explored the long-term trends and breakpoints of vegetation, rainfall, and temperature in Taiwan from overall and regional perspectives in terms of vertical differences from 1982 to 2012. With time-series Advanced Very-High-Resolution Radi...

  • Article
  • Open Access
8 Citations
4,031 Views
16 Pages

16 May 2021

We investigated long-term observations of the tropospheric nitrogen dioxide vertical column density (NO2 TropVCD) from the Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) network in Russia and ASia (MADRAS) from 2007 to 2017 at urb...

  • Article
  • Open Access
7 Citations
3,378 Views
17 Pages

Hydro-Meteorological Trends in an Austrian Low-Mountain Catchment

  • Gerald Krebs,
  • David Camhy and
  • Dirk Muschalla

29 July 2021

While ongoing climate change is well documented, the impacts exhibit a substantial variability, both in direction and magnitude, visible even at regional and local scales. However, the knowledge of regional impacts is crucial for the design of mitiga...

  • Article
  • Open Access
1 Citations
2,974 Views
20 Pages

24 August 2022

Water vapor (WV) is a vital basis of water and energy cycles and varies with space and time. When researching the variations of moisture in the atmosphere, it is intuitive to think about the total WV of the atmosphere column, precipitable water (PW)....

  • Article
  • Open Access
5 Citations
3,086 Views
18 Pages

Application of HP-LSTM Models for Groundwater Level Prediction in Karst Regions: A Case Study in Qingzhen City

  • Yanping Bo,
  • Chunlei Zhang,
  • Xiaoyu Fang,
  • Yidi Sun,
  • Changjiang Li,
  • Meiyun An,
  • Yun Peng and
  • Yixin Lu

27 January 2025

Groundwater serves as an indispensable global resource, essential for agriculture, industry, and the urban water supply. Predicting the groundwater level in karst regions presents notable challenges due to the intricate geological structures and fluc...

  • Technical Note
  • Open Access
991 Views
13 Pages

Intensification Trend and Mechanisms of Oman Upwelling During 1993–2018

  • Xiwu Zhou,
  • Yun Qiu,
  • Jindian Xu,
  • Chunsheng Jing,
  • Shangzhan Cai and
  • Lu Gao

26 July 2025

The long-term trend of coastal upwelling under global warming has been a research focus in recent years. Based on datasets including sea surface temperature (SST), sea surface wind, air–sea heat fluxes, ocean currents, and sea level pressure, t...

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