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3,813 Results Found

  • Review
  • Open Access
18 Citations
12,112 Views
55 Pages

24 June 2014

Thermodynamic entropy was initially proposed by Clausius in 1865. Since then it has been implemented in the analysis of different systems, and is seen as a promising concept to understand the evolution of open systems in non-equilibrium conditions. I...

  • Article
  • Open Access
6 Citations
5,988 Views
19 Pages

Economic Valuation of Earth’s Critical Zone: A Pilot Study of the Zhangxi Catchment, China

  • Wan Nie,
  • Hongyan Guo,
  • Lei Yang,
  • Yaoyang Xu,
  • Gang Li,
  • Xiaohong Ruan,
  • Yongguan Zhu,
  • Liding Chen and
  • Steven A. Banwart

24 February 2020

Earth’s critical zone is the physical layer contained between the top of the vegetation canopy and the depth of the circulating groundwater below the land surface. The critical zone is defined within the study of Earth natural sciences as the u...

  • Article
  • Open Access
3 Citations
4,821 Views
20 Pages

Geophysical Imaging of the Critical Zone along the Eastern Betic Shear Zone (EBSZ), SE Iberian Peninsula

  • Handoyo Handoyo,
  • Juan Alcalde,
  • Irene DeFelipe,
  • Imma Palomeras,
  • Raquel Martín-Banda,
  • Julián García-Mayordomo,
  • David Martí,
  • José J. Martínez-Díaz,
  • Juan Miguel Insua-Arévalo and
  • Ramon Carbonell
  • + 2 authors

27 March 2022

The critical zone (CZ) represents the most-shallow subsurface, where the bio-, hydro-, and geospheres interact with anthropogenic activity. To characterize the thickness and lateral variations of the CZ, here we focus on the Eastern Betic Shear Zone...

  • Review
  • Open Access
4,249 Views
21 Pages

21 March 2023

Owing to active orogenic movement and the monsoon climate, rainfall-induced landslide disasters often occur in Taiwan. Hence, hillslope hydrology and stability have received considerable research attention. However, it remains difficult to accurately...

  • Article
  • Open Access
11 Citations
5,320 Views
26 Pages

A Multi-Disciplinary Approach to Understand Hydrologic and Geochemical Processes at Koiliaris Critical Zone Observatory

  • Maria A. Lilli,
  • Dionissis Efstathiou,
  • Daniel Moraetis,
  • Jonathan Schuite,
  • Sofia D. Nerantzaki and
  • Nikolaos P. Nikolaidis

3 September 2020

Koiliaris CZO is a European Critical Zone Observatory (CZO) typical of the Mediterranean karstic geomorphology, which represents watersheds affected by humans over the centuries. This study aims to provide information that underpins the hydrologic an...

  • Article
  • Open Access
2,991 Views
13 Pages

Imidacloprid Uptake and Leaching in the Critical Root Zone of a Florida Entisol

  • Qudus O. Uthman,
  • Miguel Vasconez,
  • Davie M. Kadyampakeni,
  • Yu Wang,
  • Demetris Athienitis and
  • Jawwad A. Qureshi

Imidacloprid (IDP) products are applied via soil drenching in the citrus critical root zone (CCRZ) at 0–60 cm soil depth. This study aimed to determine the uptake and leaching of IDP in the CCRZ of a Florida Entisol. The treatments include: (1)...

  • Article
  • Open Access
6 Citations
3,139 Views
17 Pages

26 July 2022

The hydrology of alpine and subalpine areas in the Colorado Front Range (USA) is evolving, driven by warming and by the alteration of precipitation patterns, the timing of snowmelt, and other components of the hydrologic budget. Field measurements of...

  • Article
  • Open Access
17 Citations
2,756 Views
13 Pages

Assessment of Spatial Heterogeneity of Soil Moisture in the Critical Zone of Gully Consolidation and Highland Protection

  • Aidi Huo,
  • Zhixin Zhao,
  • Pingping Luo,
  • Chunli Zheng,
  • Jianbing Peng and
  • Mohamed EL-Sayed Abuarab

14 November 2022

The Gully Consolidation and Highland Protection (GCHP) project (such as for gully head landfills), a consideration of soil and water conservation measures, has been explored and developed continuously in recent decades in the Chinese Loess Plateau. U...

  • Article
  • Open Access
9 Citations
2,544 Views
17 Pages

Calculation of the Height of the Water-Conducting Fracture Zone Based on the Analysis of Critical Fracturing of Overlying Strata

  • Yi Tan,
  • Hao Cheng,
  • Wenyu Lv,
  • Weitao Yan,
  • Wenbing Guo,
  • Yujiang Zhang,
  • Tingye Qi,
  • Dawei Yin,
  • Sijiang Wei and
  • Yajun Xin
  • + 1 author

26 April 2022

Accurate division of the water-conducting fracturing zone (WCFZ) in the mining overburden serves as an important basis to evaluate the stability of coal mining under water bodies. Research on the WCFZ is conducive to controlling surface subsidence an...

  • Communication
  • Open Access
2 Citations
4,296 Views
20 Pages

Practicing Critical Zone Observation in Agricultural Landscapes: Communities, Technology, Environment and Archaeology

  • Rachel Opitz,
  • Philippe De Smedt,
  • Victorino Mayoral-Herrera,
  • Stefano Campana,
  • Marco Vieri,
  • Eamonn Baldwin,
  • Carolina Perna,
  • Daniele Sarri and
  • Jeroen Verhegge

5 January 2023

The aims of agricultural land management change continuously, reflecting shifts in wider societal priorities. Currently, these include addressing the climate crisis, promoting environmental sustainability, and supporting the livelihoods of rural comm...

  • Article
  • Open Access
26 Citations
3,326 Views
14 Pages

11 September 2019

Soil samples from eight soil profiles under different land-use types were collected at the Puding Karst Critical Zone Observatory, Southwest China, to investigate the distribution, fractionation, and controlling factors of rare earth elements (REEs)....

  • Article
  • Open Access
1 Citations
2,433 Views
13 Pages

The development of Earth’s critical zone concept has strengthened the capacity of environmental science to better solve real-world problems, such as metal(loid) pollution in the remote alpine areas. The selected metal(loid) contents in soil, mo...

  • Article
  • Open Access
557 Views
13 Pages

De-Novo Stress Urinary Incontinence After Apical Prolapse Surgery: Potential Link with the Zone of Critical Elasticity

  • Yaman Degirmenci,
  • Ceren Efe Sayın,
  • Ina Shehaj,
  • Mona Wanda Schmidt and
  • Gilbert Georg Klamminger

17 November 2025

Background/Objectives: Pelvic organ prolapse (POP) surgery can lead to postoperative stress urinary incontinence (SUI) in previously continent women, termed de novo SUI. This study assessed the incidence and risk factors of de novo SUI after apical P...

  • Article
  • Open Access
37 Citations
7,760 Views
38 Pages

2 April 2020

The geochemical and mineralogical characteristics of pelagic sediments collected from the Interoceanmetal Joint Organization (IOM) claim area, located in the eastern part of the Clarion-Clipperton Fracture Zone (CCFZ; eastern tropical Pacific), are d...

  • Article
  • Open Access
3 Citations
3,433 Views
17 Pages

Spatial Variations in Microbial Compositions in a Karst Critical Zone in Samcheok, Republic of Korea

  • Heejung Kim,
  • Jiwook Jang,
  • Sangwook Park,
  • Chang-Seong Kim,
  • Han-Sun Ryu and
  • Jin-Yong Lee

8 July 2020

The effects of the unpredictability of the flow system in a karst area, with respect to bacterial communities in the aquatic environment, were evaluated. Bacterial communities from two different types of flow conditions (spring and sinkhole) were cha...

  • Article
  • Open Access
8 Citations
3,131 Views
19 Pages

Prediction of Mechanical Properties in the Sub-Critical Heat Affected Zone of AHSS Spot Welds Using Gleeble Thermal Simulator and Hollomon-Jaffe Model

  • Abdelbaset R. H. Midawi,
  • Oleksii Sherepenko,
  • Dileep Chandran Ramachandran,
  • Shima Akbarian,
  • Mohammad Shojaee,
  • Tingting Zhang,
  • Hassan Ghassemi-Armaki,
  • Michael Worswick and
  • Elliot Biro

29 October 2023

Measuring the mechanical properties of weld Heat Affected Zone (HAZ) remains one of the main challenges in the failure analysis of spot-welded components. Due to the small size of the HAZ and variation in the temperature history, different peak tempe...

  • Review
  • Open Access
1 Citations
1,464 Views
27 Pages

A Synthesis of Environmental Policies and Identification of Critical Gaps in Critical Zones of South and East Africa

  • Lwando Mdleleni,
  • Kwanele Qonono,
  • Konosoang Sobane,
  • Wilfred Lunga,
  • Mmakotsedi Magampa,
  • Abongile Pindo,
  • Caiphus Baloyi,
  • Irene Koko and
  • Christine Noe

Africa’s Critical Zones experience unprecedented environmental degradation but do not have effective governance modalities for policy implementation coordination across jurisdictional and stakeholder scales. This study addresses three specific...

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

Geochemistry of REE and Other Critical Elements in Deep-Sea Polymetallic Nodules from Interoceanmetal (IOM) Exploration Area in Eastern Part of Clarion–Clipperton Fracture Zone, NE Pacific

  • Atanas Hikov,
  • Zlatka Milakovska,
  • Irena Peytcheva,
  • Valcana Stoyanova,
  • Elitsa Stefanova,
  • Tomasz Abramowski,
  • Milen Kadiyski,
  • Silvia Chavdarova,
  • Milen Stavrev and
  • Dimitrina Dimitrova

6 February 2025

Deep-sea Fe-Mn polymetallic nodules formed nowadays at the deep-sea ocean floor were evaluated as promising critical raw materials (CRMs). Here, we report results of polymetallic nodules from the H22_NE block of the Interoceanmetal (IOM) exploration...

  • Article
  • Open Access
6 Citations
2,141 Views
24 Pages

Controlling access to critical zones by drones is crucial for ensuring safety and efficient operations in various applications. In this research, we propose a strategy for controlling the access of a set of drones to a critical zone using timed autom...

  • Article
  • Open Access
2 Citations
3,175 Views
20 Pages

30 December 2022

The seismic performance of a structural frame system can be enhanced by strengthening the RC beams’ critical zones. In this paper is presented an experimental study on the improvement of the beam behaviour, subjected to an alternative cyclic pr...

  • Article
  • Open Access
9 Citations
2,668 Views
24 Pages

2 May 2024

Land-use conflicts (LUCs) are pivotal in assessing human–land interaction, reflecting the intricate interplay between natural and anthropogenic drivers. However, existing studies often overlook nuanced non-linear responses and critical threshol...

  • Protocol
  • Open Access
2 Citations
2,371 Views
18 Pages

Study Protocol of Predictive Dynamics of Microbiological Contamination of Groundwater in the Earth Critical Zone and Impact on Human Health (DY.MI.CR.ON Project)

  • Marco Verani,
  • Osvalda De Giglio,
  • Maria Clementina Caputo,
  • Giorgio Cassiani,
  • Mirco Milani,
  • Annalaura Carducci,
  • Ileana Federigi,
  • Alessandra Pagani,
  • Alessandra Angori and
  • Maria Teresa Montagna
  • + 16 authors

22 January 2025

Groundwater is one of the major sources of water supply for human needs. But anthropic activities such as agriculture are causing significant volume depletion and quality deterioration, favoring microbial contamination that has a negative impact on h...

  • Article
  • Open Access
791 Views
26 Pages

CO2 Dynamics and Transport Mechanisms Across Atmosphere–Soil–Cave Interfaces in Karst Critical Zones

  • Yong Xiong,
  • Zhongfa Zhou,
  • Yi Huang,
  • Shengjun Ding,
  • Xiaoduo Wang,
  • Jijuan Wang,
  • Wei Zhang and
  • Huijing Wei

Cave systems serve as key interfaces connecting surface and underground carbon cycles, and research on their carbon dynamics provides a unique perspective for revealing the mechanisms of carbon transport and transformation in karst critical zones. In...

  • Article
  • Open Access
2 Citations
3,516 Views
14 Pages

Critical Limit of Manganese for Soybean in Soils of Three Agro-Ecological Zones of Bangladesh

  • Harun Or Rashed,
  • Mohammad Mofizur Rahman Jahangir,
  • M. Abul Hashem,
  • Jannatul Ferdous,
  • M. Abdul Kader,
  • Zakaria M. Solaiman and
  • Tahsina Sharmin Hoque

29 November 2023

Manganese (Mn) is an essential micronutrient for plants, which influences multiple physiological systems. Determination of the critical limit (CL) of Mn in the soil is necessary for Mn fertilizer application as this limit delineates the deficiency, o...

  • Article
  • Open Access
1 Citations
1,816 Views
15 Pages

12 December 2023

The complexity of construction in prefabricated buildings makes it vulnerable to uncertainty in project timelines, and traditional project timeline management is insufficient to control project timelines for prefabricated buildings. Therefore, resear...

  • Article
  • Open Access
5 Citations
2,351 Views
20 Pages

15 July 2022

We studied the effects of peak temperature and cooling rate in the secondary welding thermal cycles on the martensite/austenite (M/A) constituents’ characteristics (including fraction, average size and distribution), corrosion resistance and hy...

  • Opinion
  • Open Access
14 Citations
5,549 Views
13 Pages

29 August 2017

Springs are crucial interfaces within the Earth’s Critical Zone, connecting water and its related matter and energy at different scales from the microscopic to the macroscopic level. This connectivity is of importance for habitat conditions and the i...

  • Article
  • Open Access
1,966 Views
12 Pages

Defining a Critical Partition Zone for Sagittal Alignment in Lumbar Spine Fusion Surgery: A Systematic Review

  • Jie-Ren Mi Le,
  • Wen-Tien Wu,
  • Chih-Wei Chen,
  • Fu-Shan Jaw,
  • Shu-Hua Yang and
  • Kuang-Ting Yeh

Background: Sagittal alignment in the lumbar spine is essential for spinal stability and functionality, with significant implications in surgical planning for spinal deformity correction. However, standardized lumbar partitioning, particularly identi...

  • Article
  • Open Access
2 Citations
2,542 Views
50 Pages

13 October 2022

This study presents classification and prediction exercises to evaluate the future behavior of nitrogen dioxide in a critical air quality zone located in Portugal using a dataset, the time span of which covers the period between 1 September 2021 and...

  • Review
  • Open Access
2 Citations
3,563 Views
20 Pages

13 April 2020

Observing state variables, fluxes, and key properties in terrestrial ecosystems should not be seen as disjointed, but rather as fruitfully complementary to ecosystem dynamics modeling. This intertwined view should also take the organization of the mo...

  • Article
  • Open Access
5 Citations
2,520 Views
15 Pages

13 January 2022

We explore the localization properties of a double-stranded ladder within a tight-binding framework where the site energies of different lattice sites are distributed in the cosine form following the Aubry–André–Harper (AAH) model....

  • Essay
  • Open Access
8 Citations
5,266 Views
11 Pages

New Insights into Turbulent and Laminar Flow Relationships Using Darcy–Weisbach and Poiseuille Laws

  • Francesco Fiorillo,
  • Libera Esposito,
  • Michele Ginolfi and
  • Guido Leone

20 May 2024

Analytical solutions for turbulent and laminar water flow conditions are developed considering the drainage process of a simple tank reservoir, using the Darcy–Weisbach and the Poiseuille laws, respectively. Near the critical value of the Reyno...

  • Article
  • Open Access
18 Citations
6,210 Views
17 Pages

Tracking Cobalt, REE and Gold from a Porphyry-Type Deposit by LA-ICP-MS: A Geological Approach towards Metal-Selective Mining in Tailings

  • Germán Velásquez,
  • Daniel Carrizo,
  • Stefano Salvi,
  • Iván Vela,
  • Marcial Pablo and
  • Agustín Pérez

28 January 2020

High-resolution mineral characterization performed on mine material from a giant porphyry copper deposit shows that critical and precious metals, such as cobalt, lanthanum, gold, silver, and tellurium, are concentrated in pyrite in the form of visibl...

  • Article
  • Open Access
5 Citations
2,230 Views
13 Pages

Reasonable Working-Face Size Based on Full Mining of Overburden Failure

  • Ziwei Ding,
  • Shaoyi Wang,
  • Jinglong Liao,
  • Liang Li,
  • Jindui Jia,
  • Qingbao Tang,
  • Xiaofei Li and
  • Chengdeng Gao

11 February 2023

To improve production efficiency and prevent potential disasters in coal mines, comprehensive research methods such as similar simulation, numerical simulation, theoretical analysis, and on-site detection were used in this study. The migration charac...

  • Editorial
  • Open Access
1 Citations
3,339 Views
7 Pages

1 September 2020

The First Joint Meeting on Soil and Plant System Sciences (SPSS 2019), titled “Natural and Human-Induced Impacts on the Critical Zone and Food Production”, aimed at integrating different scientific backgrounds and topics flowing into the...

  • Article
  • Open Access
1 Citations
2,975 Views
11 Pages

Intensity Distribution of Collegiate Cross-Country Competitions

  • Noah Perez,
  • Payton Miller and
  • John W. Farrell

5 January 2024

The primary purpose of the current investigation was to perform an intensity distribution analysis of a collegiate cross-country (CC) competition, with a secondary purpose to compare race times (RT) with modeled performance times (MPT). Participants...

  • Article
  • Open Access
11 Citations
3,137 Views
18 Pages

7 July 2022

Earth’s critical zone is defined as a plant–soil–water system, which covers a wide area and has a large vertical thickness, but the soil elemental stoichiometry characteristics of the critical zone at different depths are still uncl...

  • Article
  • Open Access
9 Citations
2,557 Views
14 Pages

Place-Sensing through Haptic Interfaces: Proposing an Alternative to Modern Sustainability Education

  • Viktor Swillens,
  • Mathias Decuypere,
  • Joke Vandenabeele and
  • Joris Vlieghe

9 April 2021

In this article we address the issue of how an instrumental approach to sustainability education has dominated the scientific debate of the last 20 years. By conducting interviews and focus group interviews, we have investigated a community arts init...

  • Article
  • Open Access
1 Citations
638 Views
26 Pages

7 July 2025

Roof water inrush accidents in coal mine driving roadways occur frequently in China, accounting for a high proportion of major coal mine water hazard accidents and causing serious losses. Aiming at the lack of research on the mechanism of roof water...

  • Article
  • Open Access
8 Citations
3,983 Views
15 Pages

Optimized Nitrogen Fertilizer Rate Can Increase Yield and Nitrogen Use Efficiency for Open-Field Chinese Cabbage in Southwest China

  • Hailin Cao,
  • Fen Zhang,
  • Jian Fu,
  • Xiao Ma,
  • Junjie Wang,
  • Fabo Liu,
  • Guangzheng Guo,
  • Yiming Tian,
  • Tao Liang and
  • Xiaozhong Wang
  • + 3 authors

11 June 2023

Intensive vegetable production has been characterized by high nitrogen (N) fertilizer input in southwest China. Optimizing the N fertilizer rate is the basis for the optimal management of regional N fertilizer. A two-year field experiment with five N...

  • Article
  • Open Access
1,286 Views
21 Pages

2 August 2025

Situated in the southern hilly-mountain belt of China’s “Three Zones and Four Belts Strategy”, Gannan region is a critical ecological shelter belt for the Ganjiang River. Decades of intensive mineral extraction and irrational agricu...

  • Article
  • Open Access
30 Citations
3,583 Views
16 Pages

10 April 2019

Soil carbon and nitrogen storage and stabilization are the key to solving the problems of mitigation of global warming and maintaining of crop productivity. In this study, the contents of soil organic carbon (SOC) and soil organic nitrogen (SON) and...

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

22 October 2021

In this study, we compared traditional lithochemical sample media (soil) with hydrochemical (groundwater), biogeochemical (plant matter of mulga and spinifex), and other near-surface sample media (ferro-manganese crust), in a case study applied to mi...

  • Article
  • Open Access
27 Citations
4,575 Views
14 Pages

Mid-Term Outcomes after Arthroscopic “Tear Completion Repair” of Partial Thickness Rotator Cuff Tears

  • Giuseppe Fama,
  • Jacopo Tagliapietra,
  • Elisa Belluzzi,
  • Assunta Pozzuoli,
  • Carlo Biz and
  • Pietro Ruggieri

17 January 2021

Background and Objectives: Different arthroscopic procedures are used for partial-thickness rotator cuff tears (PT-RCTs), but there is still no evidence on the superiority of one procedure over the other. The aim of this study was to evaluate the cli...

  • Feature Paper
  • Article
  • Open Access
1 Citations
4,716 Views
35 Pages

Leaf Shape and Self-Mulching by Trees: A Hypothesis

  • John H. Graham and
  • Rachel Christopher

2 June 2023

The simple leaves of deciduous forest trees in temperate zones have more irregular and asymmetric shapes than comparable non-deciduous leaves of trees in the tropics and subtropics. These shapes manifest as the irregular lobes and sinuses of temperat...

  • Review
  • Open Access
12 Citations
5,298 Views
15 Pages

This review compiles publicly available datasets describing the chemical composition of geothermal fluids from eight wells in the Taupo Volcanic Zone (TVZ) and Ngāwhā, New Zealand. Our review allows previously reported geothermal reservoir...

  • Article
  • Open Access
9 Citations
5,567 Views
9 Pages

Determination of Critical Limit of Zinc for Rice (Oryza sativa L.) and Potato (Solanum tuberosum L.) Cultivation in Floodplain Soils of Bangladesh

  • Mamunur Rahman,
  • Mohammad Mofizur Rahman Jahangir,
  • Mohammad Golam Kibria,
  • Mahmud Hossain,
  • Md Hosenuzzaman,
  • Zakaria M. Solaiman and
  • Md Anwarul Abedin

24 December 2021

The critical limit for zinc (Zn) varies from 0.38 to 2 µg/g soil depending on the crop and soil type. However, the critical limit for Zn was not explored recently for rice and potato cultivation in the floodplain soils of Bangladesh. A pot expe...

  • Article
  • Open Access
7 Citations
2,144 Views
16 Pages

29 May 2023

Rocky desertification is a common phenomenon in karst areas. Soil carbon and nitrogen storage is of great significance to the formation and evolution of ecosystems. Soil leakage is one of the important indicators in evaluating ecosystem stability. Th...

  • Article
  • Open Access
12 Citations
4,605 Views
11 Pages

6 June 2018

The subzones of the intercritical heat-affected zone (IC HAZ) of low-carbon bainitic steel were simulated by using a Gleeble-3500 simulator to study the impact toughness. The results showed that the IC HAZ is not entirely brittle and can be further d...

  • Proceeding Paper
  • Open Access
1,748 Views
11 Pages

Hydrological variations hold a significant influence over the water chemistry in the karst systems within the critical zone. In this context, the Baget Catchment (BC) was monitored at high-resolution over 2 hydrological years. The high-frequency surv...

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