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  • Article
  • Open Access
17 Citations
5,764 Views
21 Pages

The Upwelling Water Flux Feeding Springs: Hydrogeological and Hydraulic Features

  • Francesco Fiorillo,
  • Libera Esposito,
  • Giovanni Testa,
  • Sabatino Ciarcia and
  • Mauro Pagnozzi

18 April 2018

The upwelling groundwater flux has been investigated by deep piezometers in a spring area characterized by alluvial deposits covering a karst substratum in Southern Italy. The piezometers are of varying depth located in a flat area. They have been mo...

(This article belongs to the Special Issue Water Resources Investigation: Geologic Controls on Groundwater Flow)
  • Article
  • Open Access
8 Citations
4,730 Views
20 Pages

Seasonal Variability in Chlorophyll and Air-Sea CO2 Flux in the Sri Lanka Dome: Hydrodynamic Implications

  • Wentao Ma,
  • Yuntao Wang,
  • Yan Bai,
  • Xiaolin Ma,
  • Yi Yu,
  • Zhiwei Zhang and
  • Jingyuan Xi

6 July 2022

Multiple upwelling systems develop in the Indian Ocean during the summer monsoon. The Sri Lanka dome (SLD), which occurs in the open ocean off the east coast of Sri Lanka from June to September, is distinct from those near the coast. The SLD is chara...

(This article belongs to the Special Issue Applications of Remote Sensing in Oceanography: Prospects and Challenges)
  • Article
  • Open Access
4 Citations
4,104 Views
17 Pages

2 March 2022

The last deglacial climate evolution, from 19 to 9 thousand years before the present, represents the vital role of feedback in the Earth’s climate system. The Southern Ocean played a fundamental role by exchanging nutrients and carbon-rich deep...

(This article belongs to the Topic Climate Change and Environmental Sustainability)
  • Article
  • Open Access
2 Citations
5,930 Views
15 Pages

Ocean-Atmosphere CO2 Fluxes in the North Atlantic Subtropical Gyre: Association with Biochemical and Physical Factors during Spring

  • Macarena Burgos,
  • Marta Sendra,
  • Teodora Ortega,
  • Rocio Ponce,
  • Abelardo Gómez-Parra and
  • Jesús M. Forja

13 August 2015

Sea surface partial pressure of CO2 (pCO2) was measured continuously in a transect of the North Atlantic subtropical gyre between Santo Domingo, Dominican Republic (18.1° N, 68.5° W) and Vigo, Spain (41.9° N, 11.8° W) during spring 2011. Additional b...

  • Article
  • Open Access
9 Citations
4,878 Views
14 Pages

25 March 2020

The input of new nutrients by upwelling in shelf waters, and the associated carbon and nitrogen fluxes, can be traced by their stable isotope signatures in organic matter. Here, we analyze the relationships between upwelling intensity and natural abu...

(This article belongs to the Section Marine Diversity)
  • Article
  • Open Access
37 Citations
9,386 Views
25 Pages

25 March 2014

Seasonal cycles, interannual variations and decadal trends of Sea-viewing Wide Field-of-view Sensor (SeaWiFS)-retrieved chlorophyll-a concentration (Chl-a) in the Strait of Malacca (SM) were investigated with reconstructed, cloud-free SeaWiFS Chl-a d...

  • Article
  • Open Access
20 Citations
6,703 Views
19 Pages

The Upwelling Groundwater Flow in the Karst Area of Grassano-Telese Springs (Southern Italy)

  • Francesco Fiorillo,
  • Guido Leone,
  • Mauro Pagnozzi,
  • Vittorio Catani,
  • Giovanni Testa and
  • Libera Esposito

26 April 2019

The hydraulic phenomenon of upwelling groundwater flow affecting the karst area of the Grassano-Telese springs (southern Italy) has been investigated through piezometric measurements, discharge, and chemical–physical monitoring of springs, rado...

(This article belongs to the Special Issue Hydraulic Behavior of Karst Aquifers)
  • Article
  • Open Access
5 Citations
3,077 Views
18 Pages

Satellite-Based Evaluation of Submarine Permafrost Erosion at Shallow Offshore Areas in the Laptev Sea

  • Alexander Osadchiev,
  • Polina Adamovskaya,
  • Stanislav Myslenkov,
  • Oleg Dudarev and
  • Igor Semiletov

22 October 2023

Large areas of the seafloor in the Laptev Sea consist of submarine permafrost, which has experienced intense degradation over the last decades and centuries. Thermal abrasion of the submarine permafrost results in upward advection of suspended matter...

(This article belongs to the Section Ocean Remote Sensing)
  • Article
  • Open Access
8 Citations
4,733 Views
21 Pages

2 January 2021

The Southern Ocean (SO) played a fundamental role in the deglacial climate system by exchanging carbon-rich deep ocean water with the surface. The contribution of the SO’s physical mechanisms toward improving our understanding of SO upwelling&r...

(This article belongs to the Section Air, Climate Change and Sustainability)
  • Article
  • Open Access
13 Citations
4,345 Views
19 Pages

Seasonal Trends in Clouds and Radiation over the Arctic Seas from Satellite Observations during 1982 to 2019

  • Xi Wang,
  • Jian Liu,
  • Bingyun Yang,
  • Yansong Bao,
  • George P. Petropoulos,
  • Hui Liu and
  • Bo Hu

12 August 2021

A long-term dataset of 38 years (1982–2019) from the Advanced Very High Resolution Radiometer (AVHRR) satellite observations is applied to investigate the spatio-temporal seasonal trends in cloud fraction, surface downwelling longwave flux, and surfa...

(This article belongs to the Special Issue Remote Sensing Monitoring of Arctic Environments)
  • Technical Note
  • Open Access
1 Citations
1,500 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...

(This article belongs to the Section Ocean Remote Sensing)
  • Article
  • Open Access
26 Citations
8,566 Views
14 Pages

Seasonal Variability of Upwelling off Central-Southern Chile

  • Andre Pinochet,
  • José Garcés-Vargas,
  • Carlos Lara and
  • Francisco Olguín

24 July 2019

The central and northern Chilean coasts are part of the Humboldt Current System, which sustains one of the largest fisheries in the world due to upwelling. There are several upwelling focal points along the Chilean coast; however, from a physical sta...

(This article belongs to the Special Issue Sea Surface Temperature Retrievals from Remote Sensing)
  • Article
  • Open Access
3 Citations
3,483 Views
14 Pages

20 August 2024

Upwelling is due to the combined effect of the coastal divergence process and Ekman pumping. The author aims to investigate two new upwelling indices for the Black Sea, derived from climate reanalysis models and the following in situ data: (a) the Co...

(This article belongs to the Section Meteorology)
  • Article
  • Open Access
6 Citations
3,590 Views
16 Pages

26 January 2021

Identifying and quantifying exchange flux across sediment-water interface is crucial when considering water and nutrient contributions to a eutrophic lake. In this study, observed temporal temperature distributions in shallow sediment of Lake Taihu (...

  • Article
  • Open Access
52 Citations
8,531 Views
22 Pages

4 August 2019

The typhoon Wind-Pump induced upwelling and cold eddy often promote the significant growth of phytoplankton after the typhoon. However, the importance of eddy-pumping and wind-driven upwelling on the sea surface chlorophyll a concentration (Chl-a) du...

(This article belongs to the Special Issue Tropical Cyclones Remote Sensing and Data Assimilation)
  • Article
  • Open Access
12 Citations
3,944 Views
24 Pages

Wind-driven coastal upwelling can cause a sudden drop in sea surface temperatures (SSTs) of up to more than 8 °C on the inner Scotian Shelf (ScS) in the summer months. Three major coastal upwelling events on the ScS in the summer of 2012 are anal...

(This article belongs to the Special Issue Numerical Modelling of Atmospheres and Oceans)
  • Article
  • Open Access
6 Citations
1,884 Views
14 Pages

A Circulation Study Based on the 2022 Sino–Vietnamese Joint Survey Data from the Beibu Gulf

  • Zhi Zeng,
  • Jinwen Liu,
  • Xin Zhao,
  • Zhijie Chen,
  • Yanyu Chen,
  • Bo Chen,
  • Maochong Shi and
  • Wei He

16 October 2024

This study analyzed the horizontal and vertical distribution characteristics of temperature and salinity in the central and eastern regions of the Beibu Gulf, based on conductivity measurements in summer 2022, temperature, and depth (CTD) measurement...

(This article belongs to the Section Oceans and Coastal Zones)
  • Article
  • Open Access
13 Citations
5,168 Views
20 Pages

Impact of Stratospheric Geoengineering on Sea Surface Temperature in the Northern Gulf of Guinea

  • Francis F. B. K. Ayissi,
  • Casimir Y. Da Allada,
  • Ezinvi Baloïtcha,
  • Simone Tilmes and
  • Peter J. Irvine

12 April 2023

Among techniques proposed to limit global warming, there is Stratospheric Aerosol Geoengineering (SAG) which is aiming to increase Earth-atmosphere albedo by injecting sulfur dioxide into the stratosphere in order to reduce the solar radiation that r...

(This article belongs to the Section Climate Adaptation and Mitigation)
  • Article
  • Open Access
2 Citations
3,297 Views
25 Pages

18 February 2024

As one of the most significant disturbance sources in the upper marine environment of the South China Sea, tropical cyclones (typhoons) serve as a typical research subject for investigating the energy transfer process between the ocean and atmosphere...

(This article belongs to the Special Issue Application of Smart Technologies in Integrated Water Quality Modeling)
  • Article
  • Open Access
13 Citations
8,645 Views
37 Pages

Hyporheic Process Restoration: Design and Performance of an Engineered Streambed

  • Paul D. Bakke,
  • Michael Hrachovec and
  • Katherine D. Lynch

5 February 2020

Stream restoration designed specifically to enhance hyporheic processes has seldom been contemplated. To gain experience with hyporheic restoration, an engineered streambed was built using a gravel mixture formulated to mimic natural streambed compos...

(This article belongs to the Special Issue Lake and River Restoration: Method, Evaluation and Management)
  • Article
  • Open Access
5 Citations
3,804 Views
15 Pages

5 March 2020

This study characterized vertical one-dimensional (1-D) flux rates in the top 150 cm of the streambed and explored the relationship between stage and 1-D vertical flux rates in a low-gradient stream. Six multi-level samplers were installed along a 25...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
6 Citations
5,020 Views
24 Pages

23 December 2021

Freshwater scarcity has raised concerns about the long-term availability of the water supplies within the transboundary Mesilla (United States)/Conejos-Médanos (Mexico) Basin in Texas, New Mexico, and Chihuahua. Analysis of legacy temperature...

(This article belongs to the Special Issue Advances in Transboundary Aquifer Assessment)
  • Article
  • Open Access
2 Citations
3,023 Views
19 Pages

18 September 2021

The tropical Atlantic Warm Pool is one of the main drivers of the marine intertropical convergence zone and the associated coastal Northeast Brazilian and West-African monsoons. Its meridional displacement is driven by the solar cycle, modulated by t...

(This article belongs to the Special Issue Tropical Atlantic Variability)
  • Feature Paper
  • Article
  • Open Access
8 Citations
3,840 Views
17 Pages

14 March 2023

The evolutional process of palaeoceanic environment and its effect on the accumulation of organic matter during the Ordovician–Silurian transition in Lower Yangtze region has been overlooked compared to that in Upper Yangtze region of South Chi...

(This article belongs to the Section Environmental Mineralogy and Biogeochemistry)
  • Article
  • Open Access
16 Citations
4,352 Views
18 Pages

Effect of Hyporheic Exchange on Macroinvertebrate Community in the Weihe River Basin, China

  • Qidong Lin,
  • Jinxi Song,
  • Carlo Gualtieri,
  • Dandong Cheng,
  • Ping Su,
  • Xinxin Wang,
  • Jiaxu Fu and
  • Jianglin Peng

8 February 2020

The effect of hyporheic exchange on macroinvertebrates is a significant topic in ecohydraulics. A field study was conducted during May and June 2017 to investigate the impacts of magnitude and patterns of hyporheic exchange on the sediment macroinver...

(This article belongs to the Special Issue Advances in Environmental Hydraulics)
  • Article
  • Open Access
2 Citations
4,431 Views
29 Pages

22 March 2022

The upper-ocean processes controlling the near-surface layer temperature in the western Gulf of Mexico (GOM) are examined by estimating the contributing terms in the heat equation based on a 54-year simulation of an eddy-resolving HYbrid Coordinate O...

  • Article
  • Open Access
2 Citations
2,905 Views
17 Pages

Sea Surface pCO2 Response to Typhoon “Wind Pump” and Kuroshio Intrusion in the Northeastern South China Sea

  • Jingrou Lin,
  • Qingyang Sun,
  • Yupeng Liu,
  • Haijun Ye,
  • Danling Tang,
  • Xiaohao Zhang and
  • Yang Gao

27 December 2023

The Luzon Strait (LS) is a key region for estimating carbon sources and sinks in the South China Sea (SCS) and is highly influenced by the Kuroshio Current (KC) and typhoons. Understanding the variations in the sea surface partial pressure of carbon...

(This article belongs to the Special Issue Air-Sea Interaction and Climate Variability in the Ocean: Observations and Modeling Based on Remote Sensing Techniques)
  • Article
  • Open Access
14 Citations
3,638 Views
17 Pages

Influence of Dispersed Oil on the Remote Sensing Reflectance—Field Experiment in the Baltic Sea

  • Kamila Haule,
  • Henryk Toczek,
  • Karolina Borzycka and
  • Mirosław Darecki

25 August 2021

Remote sensing techniques currently used to detect oil spills have not yet demonstrated their applicability to dispersed forms of oil. However, oil droplets dispersed in seawater are known to modify the local optical properties and, consequently, the...

(This article belongs to the Special Issue Remote Sensing of Water Quality and Water Environment)
  • Article
  • Open Access
2 Citations
3,474 Views
12 Pages

30 March 2023

The surface texture of urbanized regions is altered by the replacement of natural vegetated surfaces with hardened pavement surfaces, which have been described as a heat source for the formation of urban heat islands. Grasslands may store rainfall in...

(This article belongs to the Section Climatology)
  • Article
  • Open Access
22 Citations
7,067 Views
18 Pages

The Effect of Stream Discharge on Hyporheic Exchange

  • Brian Babak Mojarrad,
  • Andrea Betterle,
  • Tanu Singh,
  • Carolina Olid and
  • Anders Wörman

12 July 2019

Streambed morphology, streamflow dynamics, and the heterogeneity of streambed sediments critically controls the interaction between surface water and groundwater. The present study investigated the impact of different flow regimes on hyporheic exchan...

(This article belongs to the Special Issue Groundwater-Surface Water Interactions)
  • Article
  • Open Access
1,663 Views
25 Pages

Effect of Wind-Driven Circulation on the Spatial Distribution of Dissolved Oxygen and Carbonate System Variables in the Mexican Tropical Pacific Region

  • Asbel Itahi de la Cruz-Ruiz,
  • Luis A. Soto-Mardones,
  • Cecilia Chapa-Balcorta,
  • Teresa Leticia Espinosa-Carreón,
  • Claudia E. Aburto-Leiva,
  • José Martín Hernández-Ayón,
  • Luz de Lourdes Aurora Coronado-Álvarez,
  • Víctor Hugo Martínez-Magaña,
  • María Luisa Leal-Acosta and
  • Aurélien Paulmier

The Mexican Tropical Pacific (MTP) is a key component of the Eastern Tropical North Pacific Oxygen Minimum Zone, yet its carbonate system variability remains poorly constrained. This study examines wind-driven circulation effects on dissolved oxygen...

(This article belongs to the Section Chemical Oceanography)
  • Article
  • Open Access
4 Citations
2,360 Views
10 Pages

In this study, we explore the interannual variability of Sea Surface Salinity (SSS) in the Dotson–Getz Trough located in West Antarctica, focusing on the month of February. Utilizing the oceanic analysis product EN4, we first validate the EN4 S...

(This article belongs to the Section Physical Oceanography)
  • Article
  • Open Access
21 Citations
4,755 Views
18 Pages

28 February 2020

Confluences are nodes in riverine networks characterized by complex three-dimensional changes in flow hydrodynamics and riverbed morphology, and are valued for important ecological functions. This physical complexity is often investigated within the...

(This article belongs to the Special Issue Advances in Environmental Hydraulics)
  • Article
  • Open Access
1 Citations
2,414 Views
24 Pages

Impact of SST Resolution on WRF Model Performance for Wind Field Simulation in the Southwestern Atlantic

  • Matheus Bonjour Laviola da Silva,
  • Fernando Tulio Camilo Barreto,
  • Leonardo Carvalho de Jesus,
  • Kaio Calmon Lacerda,
  • Maxsuel Marcos Rocha Pereira,
  • Edson Pereira Marques Filho and
  • Julio Tomás Aquije Chacaltana

This study investigates the impact of high-resolution Sea Surface Temperature (SST) boundary conditions on atmospheric simulations over the southwestern Atlantic Ocean (12–27° S, 32–48° W). Numerical experiments were conducted usi...

  • Article
  • Open Access
3,678 Views
19 Pages

17 July 2025

This study focused on the carbonate system dynamics and air–sea CO2 fluxes in the open-ocean waters of the Madeira–Tore Seamount Complex during August 2024. Surface water properties revealed pronounced latitudinal gradients in sea surface...

  • Article
  • Open Access
3 Citations
5,365 Views
16 Pages

28 March 2022

The extremely severe tropical cyclone Fani (25 April–5 May 2019) unusually sustained high intensity for a prolonged duration over the Bay of Bengal (BoB). A regional coupled atmosphere–ocean model was used to investigate the atmospheric a...

(This article belongs to the Section Meteorology)
  • Article
  • Open Access
47 Citations
15,430 Views
21 Pages

Stratospheric Aerosols from Major Volcanic Eruptions: A Composition-Climate Model Study of the Aerosol Cloud Dispersal and e-folding Time

  • Giovanni Pitari,
  • Glauco Di Genova,
  • Eva Mancini,
  • Daniele Visioni,
  • Ilaria Gandolfi and
  • Irene Cionni

Large explosive volcanic eruptions are capable of injecting considerable amounts of particles and sulfur gases above the tropopause, causing large increases in stratospheric aerosols. Five major volcanic eruptions after 1960 (i.e., Agung, St. Helens,...

(This article belongs to the Special Issue Atmospheric Aerosols and Their Radiative Effects)
  • Article
  • Open Access
6 Citations
2,104 Views
26 Pages

Evaluation of In Situ FAPAR Measurement Protocols Using 3D Radiative Transfer Simulations

  • Christian Lanconelli,
  • Fabrizio Cappucci,
  • Jennifer Susan Adams and
  • Nadine Gobron

4 December 2024

The fraction of absorbed photosynthetically active radiation (FAPAR) is one of the bio-geophysical Essential Climate Variables assessed through remote sensing observations and distributed globally by space and environmental agencies. Any reliable rem...

(This article belongs to the Special Issue Copernicus Sentinels Missions Calibration, Validation, FRM and Innovation Approaches in Satellite-Data Quality Assessment)
  • Article
  • Open Access
293 Views
12 Pages

29 September 2026

Tropical cyclone (TC) genesis in the Caribbean (July–October) is examined using composites of 44 storms (1979–2025) from model-assimilated in situ and satellite observations. Results identify how the atmospheric circulation over the East...

(This article belongs to the Section Meteorology)
  • Article
  • Open Access
3 Citations
3,956 Views
28 Pages

Oceanic Responses to the Winter Storm Outbreak of February 2021 in the Gulf of Mexico from In Situ and Satellite Observations

  • Zhankun Wang,
  • Korak Saha,
  • Ebenezer S. Nyadjro,
  • Yongsheng Zhang,
  • Boyin Huang and
  • James Reagan

7 June 2023

Winter storms occur in the Gulf of Mexico (GoM) every few years, but there are not many studies on oceanic responses to severe winter storms. Although usually considered less destructive than hurricanes, they can result in cumulative damages. Winter...

(This article belongs to the Special Issue Linking Upper Ocean Dynamics with Extreme Weather and Climate Events over the Ocean)
  • Article
  • Open Access
12 Citations
6,688 Views
12 Pages

1 December 2018

The seasonal variability of sea surface salinity anomalies (SSSAs) in the Indian Ocean is investigated for its role in the South Asian Summer Monsoon. We have observed an elongated spatial-feature of the positive SSSAs in the southwestern Indian Ocea...

(This article belongs to the Special Issue Sea Surface Salinity Remote Sensing)
  • Article
  • Open Access
2 Citations
1,763 Views
17 Pages

Dynamic Ocean–Atmosphere Processes of Typhoon Chan-Hom and Their Impact on Intensity, Rainfall and SST Cooling

  • Guiting Song,
  • Venkata Subrahmanyam Mantravadi,
  • Chen Wang,
  • Xiaoqing Liao,
  • Yanmei Li and
  • Shahriyor Nurulloyev

16 January 2026

This study aims to investigate the effects of Chan-Hom (2015) typhoon-induced variations in enthalpy flux (EF) and moisture flux (MF) on intensity variations and rainfall. Chan-Hom (2015) made landfall at Zhoushan, then changed its direction and move...

(This article belongs to the Special Issue Ocean–Atmosphere–Land Interactions and Their Roles in Climate Change (2nd Edition))
  • Article
  • Open Access
23 Citations
6,375 Views
25 Pages

A Time Series of Water Column Distributions and Sinking Particle Flux of Pseudo-Nitzschia and Domoic Acid in the Santa Barbara Basin, California

  • Blaire P. Umhau,
  • Claudia R. Benitez-Nelson,
  • Clarissa R. Anderson,
  • Kelly McCabe and
  • Christopher Burrell

17 November 2018

Water column bulk Pseudo-nitzschia abundance and the dissolved and particulate domoic acid (DA) concentrations were measured in the Santa Barbara Basin (SBB), California from 2009–2013 and compared to bulk Pseudo-nitzschia cell abundance and DA...

(This article belongs to the Section Marine and Freshwater Toxins)
  • Article
  • Open Access
15 Citations
2,737 Views
17 Pages

Data-Driven Baseline Analysis of Climate Variability at an Antarctic AWS (2020–2024)

  • Arpitha Javali Ashok,
  • Shan Faiz,
  • Raja Hashim Ali and
  • Talha Ali Khan

2 October 2025

Climate change in Antarctica has profound global implications, influencing sea level rise, atmospheric circulation, and the Earth’s energy balance. This study presents a data-driven baseline analysis of meteorological observations from a Britis...

  • Article
  • Open Access
15 Citations
7,359 Views
22 Pages

Evidence of 2024 Summer as the Warmest During the Last Four Decades in the Aegean, Ionian, and Cretan Seas

  • Yannis Androulidakis,
  • Vassilis Kolovoyiannis,
  • Christos Makris and
  • Yannis Krestenitis

9 November 2024

The summer of 2024 witnessed record-high sea surface temperatures (SST) across the Aegean, Ionian, and Cretan Seas (AICS), following unprecedented air heatwaves over the sea under a long-term warming trend of 0.46 °C/decade for the mean atmospher...

(This article belongs to the Section Physical Oceanography)
  • Article
  • Open Access
4 Citations
2,995 Views
20 Pages

Water Exchanges in Mediterranean Microtidal Harbours

  • Yaiza Samper,
  • María Liste,
  • Marc Mestres,
  • Manuel Espino,
  • Agustín Sánchez-Arcilla,
  • Joaquim Sospedra,
  • Daniel González-Marco,
  • María Isabel Ruiz and
  • Enrique Álvarez Fanjul

23 June 2022

Mediterranean ports feature complex layouts and exert important environmental pressures in squeezed coastal zones. They experience mild meteo-oceanographic conditions during part of the year, leading to water velocities that are close to the resoluti...

(This article belongs to the Topic From Coastal Engineering to Integrated Coastal Zone Management)
  • Article
  • Open Access
3 Citations
2,479 Views
17 Pages

3 October 2024

The mesoscale interaction between sea surface temperature (SST) and wind is a crucial factor influencing oceanic and atmospheric conditions. To investigate the mesoscale coupling characteristics of the Yellow Sea and East China Sea, we applied a loca...

(This article belongs to the Special Issue Air-Sea Interaction and Marine Dynamics)

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