Results 51 to 60 of about 13,836,454 (111)

Spatiotemporal distribution of global wind erosion over the past four decades

open access: yesEnvironmental Research Letters
Wind erosion is a critical environmental issue that degrades land and air quality, affecting global ecosystems, agriculture, and human health. Yet, on the global scale, the long-term spatial variability and controlling factors of wind erosion remain ...
Zhaohan Chu   +8 more
doaj   +1 more source

Left Lung Model featuring Upper and Lower Lobes

open access: yes, 2020
This is a multi-colored left lung model where each color designates a specific segment of the upper and lower lobes.

core  

Revealing the causes of ecosystem stability changes in the Northern Sand Prevention Belt of China over the past twenty years

open access: yesEnvironmental and Sustainability Indicators
Wind-driven soil degradation and desertification critically impair regional ecosystem stability and sustainable functioning. The Northern Sand Prevention Belt (NSPB) is a high-intensity wind erosion area in China and a core area for combating ...
Meng Yuan   +5 more
doaj   +1 more source

Simulation and Spatio-Temporal Analysis of Soil Erosion in the Source Region of the Yellow River Using Machine Learning Method

open access: yesLand
The source region of the Yellow River (SRYR), known as the “Chinese Water Tower”, is currently grappling with severe soil erosion, which jeopardizes the sustainability of its alpine grasslands.
Jinxi Su, Rong Tang, Huilong Lin
doaj   +1 more source

Right Lung Model featuring Upper, Middle and Lower Lobes

open access: yes, 2020
This is a multi-colored right lung model where each color designates a segment of the upper, middle, and lower lobes.

core  

Effect of temporal resolution of wind data on wind erosion prediction with the revised wind erosion equation (RWEQ)

open access: yesCiencia del Suelo
In wind erosion modelling and assessment, wind speed is a crucial variable. Available records for large regions of the world generally show relatively low temporal resolution.
Juan E Panebianco, Daniel E Buschiazzo
doaj  

Critical Thresholds of Ecosystem Service Responses to Water Supply–Demand Balance in Arid Regions of China: The Kubuqi Desert

open access: yesLand
Arid regions are ecologically fragile and occupy a substantial portion of the global terrestrial surface. In these regions, ecosystem services (ESs) are strongly constrained by water availability and, more importantly, by the balance between water supply
Jiarui Li   +6 more
doaj   +1 more source

Sub-series 2: Publications

open access: yes, 1989
Bimonthly magazine discussing topics related to aviation and model airplane engines including collecting, restoring, maintaining, and identifying engines, along with ...
The Model Museum
core  

Pergamon Acropolis Model

open access: yes, 1950
Detail, Temple of Dionysus at lowest point, center, Temple of Trajan (2nd century CE) in courtyard, theater, lower right; Pergamon was an ancient Greek city in Asia Minor (now Bergama, Turkey), later part of the Roman Empire.
unknown (German model maker)
core  

Scale model of Sainte-Chapelle

open access: yes, 1947
Model, detail on the north wall, originally the staircase (the Grands Degres); The Galerie des Moulages (cast collection) not only contains 19th plaster casts, but also scale models of buildings done by artisans on staff at the museum.
unknown (French model maker)
core  

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