NSTL国家科技图书文献中心

1. Future Trajectories of Peatland Permafrost Under Climate and Ecosystem Change in Northeastern Canada NSTL国家科技图书文献中心

Wang, Yifeng | Way, Robert G. - 《Journal of geophysical research.Earth Surface》 - 2025,130(2) - n/a～n/a - 共19页

摘要：Peatland permafrost* ecosystems include* | landforms to climate warming, but ecosystem* changes* | to impact permafrost* persistence. In this study, a* | process-based one-dimensional transient model* is used to* | scenarios incorporating a change in ecosystem

关键词： numerical modeling | Labrador | palsa | peat plateau | greening | snow trapping

2. A Framework for Understanding the Impacts of Thaw‐Driven Disturbance Regimes on Northern Lakes NSTL国家科技图书文献中心

Joshua R. Thienpont | Claire O'Hagan ... - 《Permafrost and periglacial processes》 - 2025,36(1) - 137～150 - 共14页

摘要： understanding ecosystem response under a range of permafrost | ABSTRACT The impacts of permafrost* thaw do not* | permafrost lake type (predisposed to thaw slump disturbance | conceptual model* that can shed light on, and facilitate* | further testing of, lake ecosystem* impacts associated*

关键词： Arctic | disturbance regime | Mackenzie Delta | paleolimnology | permafrost thaw | remote sensing | water chemistry

3. Decadal Dynamics of Energy Balance and Transpiration Fraction in an Alpine Ecosystem: A Modelling and Observational Study NSTL国家科技图书文献中心

Wu, Yao | Wang, Pei - 《Ecohydrology》 - 2025,18(2) - 共15页

摘要： alpine ecosystem* of the Heihe River Basin, specifically* | soil evaporation (Ev). Utilizing the SPAC model* and* | permafrost and increased soil moisture. In addition, the | Evapotranspiration (ET) is a critical | component of the soil-plant-atmosphere continuum

关键词： alpine ecosystems | canopy stomatal conductance | evapotranspiration partitioning | leaf area index | SPAC model | transpiration fraction

4. Permafrost Food Storage Monitoring and Vulnerability Assessment in Utqiagvik, Alaska NSTL国家科技图书文献中心

Nyland, Kelsey E. | Klene, Anna E.... - 《Arctic》 - 2024,77(2) - 155～165 - 共11页

摘要： excavated into permafrost* for storage of large quantities* | subsistence. Permafrost* provides both a cultural and* | regulatory ecosystem* service to Arctic peoples. A cellar* | source-pathway-receptor-consequence (SPRC) model* and* | recommend the SPRC model* to aid evaluation of specific*

关键词： permafrost | cellars | climate change | ecosystem service | source-pathway-receptor-consequence model | sustainability

5. Divergent microbial phosphorous acquisition strategies between active layer and permafrost deposits on the Tibetan Plateau NSTL国家科技图书文献中心

Lu Wang | Dianye Zhang ... - 《Functional Ecology》 - 2024,38(9) - 2015～2026 - 共12页 - 被引量：1

摘要： carbon (C) cycle in permafrost* ecosystem. However* | biological acquisition strategies in permafrost* environment* | acquisition strategies across the Tibetan alpine permafrost | permafrost regions. Moreover, the higher gene abundance | harbouring pit gene were observed in permafrost* deposits*

关键词： metagenomics | microbial phosphorous acquisition strategies | permafrost | phosphorous demand | phosphorous mobilization | phosphorous transportation

6. Permafrost Carbon: Progress on Understanding Stocks and Fluxes Across Northern Terrestrial Ecosystems NSTL国家科技图书文献中心

Claire C. Treat | Anna‐Maria Virkkala ... - 《Journal of Geophysical Research. Biogeosciences》 - 2024,129(3) - n/a～n/a - 共27页

摘要： existing data syntheses and model outputs, the permafrost | Abstract Significant progress in permafrost | identification of vast permafrost* carbon stocks, the* | development of new pan‐Arctic permafrost* maps, an increase* | elements of permafrost* carbon cycling and advances in*

关键词： permafrost | carbon | tundra | boreal | CO2 flux | methane flux | review | synthesis

7. Arctic ice-wedge landscape mapping by CNN using a fusion of Radarsat constellation Mission and ArcticDEM NSTL国家科技图书文献中心

Merchant, Michael | Bourgeau-Chavez, Lau...... - 《Remote Sensing of Environment: An Interdisciplinary Journal》 - 2024,304 - ARTN 114052～ - 共17页

摘要：In Canada's Arctic tundra region, permafrost | wetlands in the continuous permafrost* region. These* | ecosystem dynamics. Due to the meter-scale spatial | Convolutional Neural Network (CNN) model* for the* | model hyperparameters as well as the effect of SAR

关键词： ArcticDEM | CNN | Hybrid compact polarimetry | Ice -wedge polygon | Radarsat constellation Mission | IMAGE CLASSIFICATION | TUKTOYAKTUK COASTLANDS | SCENE CLASSIFICATION | RELATIVE IMPORTANCE | NEURAL-NETWORKS...

8. An Analytical Model of Active Layer Depth Under Changing Ground Heat Flux NSTL国家科技图书文献中心

Zhu, Modi | Wang, Jingfeng ... - 《Journal of Geophysical Research, D. Atmospheres: JGR》 - 2024,129(5) - ARTN e2023JD039453～ - 共13页

摘要：Improved modeling of permafrost* active layer* | response of the Arctic ecosystem* to the accelerating* | , a physically based analytical model* is formulated* | model conducted against field data obtained from three | model is able to simulate both thaw depth and soil

关键词： active layer thaw depth | changing soil heat flux | approximate soil temperature profile | Stefan problem | non-gradient model | NORTHERN-HEMISPHERE | CLIMATE-CHANGE | PERMAFROST | TEMPERATURE | ALASKA...

9. Relationship between soil structure and hydrological properties of the active layer in the permafrost region of the Qinghai-Tibet Plateau based on fractal theory NSTL国家科技图书文献中心

Lv, Mingxia | Wang, Yibo ... - 《Catena》 - 2024,247 - 共11页

摘要：. Finally, a fractal model* of WRC in the permafrost region* | influence ecosystem* stability and hydrological cycles* | coverages in the permafrost* region of the Qinghai-Tibet* | Soil structure and hydrological properties | . Fractal theory has been widely used in the quantitative

关键词： Qinghai-Tibet Plateau | Permafrost degradation | Soil water retention curve | Fractal theory

10. In situ seasonal patterns of root auxin concentrations and meristem length in an arctic sedge NSTL国家科技图书文献中心

Gesche Blume-Werry | Philipp Semenchuk ... - 《The New Phytologist》 - 2024,242(3) - 988～999 - 共12页

摘要： important role in large-scale ecosystem* processes; they* | mostly limited to laboratory-based studies on model | at the permafrost* thawfront.Auxin concentrations* | Seasonal dynamics of root growth play an | are largely governed by growth regulatory compounds

摘要：Peatland permafrost* ecosystems include* | landforms to climate warming, but ecosystem* changes* | to impact permafrost* persistence. In this study, a* | process-based one-dimensional transient model* is used to* | scenarios incorporating a change in ecosystem

关键词： numerical modeling | Labrador | palsa | peat plateau | greening | snow trapping

关键词： Arctic | disturbance regime | Mackenzie Delta | paleolimnology | permafrost thaw | remote sensing | water chemistry

摘要： alpine ecosystem* of the Heihe River Basin, specifically* | soil evaporation (Ev). Utilizing the SPAC model* and* | permafrost and increased soil moisture. In addition, the | Evapotranspiration (ET) is a critical | component of the soil-plant-atmosphere continuum

关键词： alpine ecosystems | canopy stomatal conductance | evapotranspiration partitioning | leaf area index | SPAC model | transpiration fraction

关键词： permafrost | cellars | climate change | ecosystem service | source-pathway-receptor-consequence model | sustainability

关键词： metagenomics | microbial phosphorous acquisition strategies | permafrost | phosphorous demand | phosphorous mobilization | phosphorous transportation

摘要： existing data syntheses and model outputs, the permafrost | Abstract Significant progress in permafrost | identification of vast permafrost* carbon stocks, the* | development of new pan‐Arctic permafrost* maps, an increase* | elements of permafrost* carbon cycling and advances in*

关键词： permafrost | carbon | tundra | boreal | CO2 flux | methane flux | review | synthesis

摘要：In Canada's Arctic tundra region, permafrost | wetlands in the continuous permafrost* region. These* | ecosystem dynamics. Due to the meter-scale spatial | Convolutional Neural Network (CNN) model* for the* | model hyperparameters as well as the effect of SAR

关键词： ArcticDEM | CNN | Hybrid compact polarimetry | Ice -wedge polygon | Radarsat constellation Mission | IMAGE CLASSIFICATION | TUKTOYAKTUK COASTLANDS | SCENE CLASSIFICATION | RELATIVE IMPORTANCE | NEURAL-NETWORKS...

摘要：Improved modeling of permafrost* active layer* | response of the Arctic ecosystem* to the accelerating* | , a physically based analytical model* is formulated* | model conducted against field data obtained from three | model is able to simulate both thaw depth and soil

关键词： active layer thaw depth | changing soil heat flux | approximate soil temperature profile | Stefan problem | non-gradient model | NORTHERN-HEMISPHERE | CLIMATE-CHANGE | PERMAFROST | TEMPERATURE | ALASKA...

摘要：. Finally, a fractal model* of WRC in the permafrost region* | influence ecosystem* stability and hydrological cycles* | coverages in the permafrost* region of the Qinghai-Tibet* | Soil structure and hydrological properties | . Fractal theory has been widely used in the quantitative

关键词： Qinghai-Tibet Plateau | Permafrost degradation | Soil water retention curve | Fractal theory

摘要： important role in large-scale ecosystem* processes; they* | mostly limited to laboratory-based studies on model | at the permafrost* thawfront.Auxin concentrations* | Seasonal dynamics of root growth play an | are largely governed by growth regulatory compounds

关键词： auxin | Eriophorum vaginatum | meristem length | permafrost | root growth | root phenology.

4008-161-200 800-990-8900

国家科技图书文献中心

摘要：Peatland permafrost ecosystems include | landforms to climate warming, but ecosystem changes | to impact permafrost persistence. In this study, a | process-based one-dimensional transient model is used to | scenarios incorporating a change in ecosystem

关键词： numerical modeling | Labrador | palsa | peat plateau | greening | snow trapping

摘要： understanding ecosystem response under a range of permafrost | ABSTRACT The impacts of permafrost thaw do not | permafrost lake type (predisposed to thaw slump disturbance | conceptual model that can shed light on, and facilitate | further testing of, lake ecosystem impacts associated

关键词： Arctic | disturbance regime | Mackenzie Delta | paleolimnology | permafrost thaw | remote sensing | water chemistry

摘要： alpine ecosystem of the Heihe River Basin, specifically | soil evaporation (Ev). Utilizing the SPAC model and | permafrost and increased soil moisture. In addition, the | Evapotranspiration (ET) is a critical | component of the soil-plant-atmosphere continuum

关键词： alpine ecosystems | canopy stomatal conductance | evapotranspiration partitioning | leaf area index | SPAC model | transpiration fraction

摘要： excavated into permafrost for storage of large quantities | subsistence. Permafrost provides both a cultural and | regulatory ecosystem service to Arctic peoples. A cellar | source-pathway-receptor-consequence (SPRC) model and | recommend the SPRC model to aid evaluation of specific

关键词： permafrost | cellars | climate change | ecosystem service | source-pathway-receptor-consequence model | sustainability

关键词： metagenomics | microbial phosphorous acquisition strategies | permafrost | phosphorous demand | phosphorous mobilization | phosphorous transportation

摘要： existing data syntheses and model outputs, the permafrost | Abstract Significant progress in permafrost | identification of vast permafrost carbon stocks, the | development of new pan‐Arctic permafrost maps, an increase | elements of permafrost carbon cycling and advances in

关键词： permafrost | carbon | tundra | boreal | CO2 flux | methane flux | review | synthesis

摘要：In Canada's Arctic tundra region, permafrost | wetlands in the continuous permafrost region. These | ecosystem dynamics. Due to the meter-scale spatial | Convolutional Neural Network (CNN) model for the | model hyperparameters as well as the effect of SAR

关键词： ArcticDEM | CNN | Hybrid compact polarimetry | Ice -wedge polygon | Radarsat constellation Mission | IMAGE CLASSIFICATION | TUKTOYAKTUK COASTLANDS | SCENE CLASSIFICATION | RELATIVE IMPORTANCE | NEURAL-NETWORKS...

摘要：Improved modeling of permafrost active layer | response of the Arctic ecosystem to the accelerating | , a physically based analytical model is formulated | model conducted against field data obtained from three | model is able to simulate both thaw depth and soil

关键词： active layer thaw depth | changing soil heat flux | approximate soil temperature profile | Stefan problem | non-gradient model | NORTHERN-HEMISPHERE | CLIMATE-CHANGE | PERMAFROST | TEMPERATURE | ALASKA...

摘要：. Finally, a fractal model of WRC in the permafrost region | influence ecosystem stability and hydrological cycles | coverages in the permafrost region of the Qinghai-Tibet | Soil structure and hydrological properties | . Fractal theory has been widely used in the quantitative

关键词： Qinghai-Tibet Plateau | Permafrost degradation | Soil water retention curve | Fractal theory

摘要： important role in large-scale ecosystem processes; they | mostly limited to laboratory-based studies on model | at the permafrost thawfront.Auxin concentrations | Seasonal dynamics of root growth play an | are largely governed by growth regulatory compounds

关键词： auxin | Eriophorum vaginatum | meristem length | permafrost | root growth | root phenology.

4008-161-200 800-990-8900

国家科技图书文献中心

摘要：Peatland permafrost* ecosystems include* | landforms to climate warming, but ecosystem* changes* | to impact permafrost* persistence. In this study, a* | process-based one-dimensional transient model* is used to* | scenarios incorporating a change in ecosystem

摘要： alpine ecosystem* of the Heihe River Basin, specifically* | soil evaporation (Ev). Utilizing the SPAC model* and* | permafrost and increased soil moisture. In addition, the | Evapotranspiration (ET) is a critical | component of the soil-plant-atmosphere continuum

摘要： existing data syntheses and model outputs, the permafrost | Abstract Significant progress in permafrost | identification of vast permafrost* carbon stocks, the* | development of new pan‐Arctic permafrost* maps, an increase* | elements of permafrost* carbon cycling and advances in*

摘要：In Canada's Arctic tundra region, permafrost | wetlands in the continuous permafrost* region. These* | ecosystem dynamics. Due to the meter-scale spatial | Convolutional Neural Network (CNN) model* for the* | model hyperparameters as well as the effect of SAR

摘要：Improved modeling of permafrost* active layer* | response of the Arctic ecosystem* to the accelerating* | , a physically based analytical model* is formulated* | model conducted against field data obtained from three | model is able to simulate both thaw depth and soil

摘要：. Finally, a fractal model* of WRC in the permafrost region* | influence ecosystem* stability and hydrological cycles* | coverages in the permafrost* region of the Qinghai-Tibet* | Soil structure and hydrological properties | . Fractal theory has been widely used in the quantitative

摘要： important role in large-scale ecosystem* processes; they* | mostly limited to laboratory-based studies on model | at the permafrost* thawfront.Auxin concentrations* | Seasonal dynamics of root growth play an | are largely governed by growth regulatory compounds