Results 1 to 10 of about 581,288 (313)

Response of sediment delivery ratio to water-sediment and riverbed boundary conditions during flood events in the lower yellow river since 2000 [PDF]

open access: yesScientific Reports
The sediment delivery ratio is greatly affected by the water-sediment and the riverbed boundary, which represent the river’s capacity to transport sediment under specified conditions.
Xueqin Zhang   +4 more
doaj   +2 more sources

Study on the Influence and Mechanism of Mineral Admixtures and Fibers on Frost Resistance of Slag–Yellow River Sediment Geopolymers [PDF]

open access: yesNanomaterials
To address the demands for resource utilization of Yellow River sediment and the durability requirements of engineering materials in cold regions, this study systematically investigates the mechanisms affecting the frost resistance of slag-Yellow River ...
Ge Zhang   +6 more
doaj   +2 more sources

Law and mechanism of sediment starting and transportation during jet scouring process

open access: yesShui kexue jinzhan, 2023
The need to employ a high-speed fluid jet scouring technique is a key to performing the dredging operations underwater. It is of crucial value to effectively improve the efficiency of jet mud-making for river (waterway) dredging and reservoir capacity ...
Wenjiao ZHANG   +4 more
doaj   +1 more source

Spatiotemporal Analysis and Prediction of Ecological Footprint of Water Resources in Lower Reaches of Yellow River Basin

open access: yesShuitu baochi tongbao, 2023
[Objective] The ecological carrying capacity of water resources in the lower reaches of the Yellow River basin was evaluated in order to provide a theoretical basis for regional water resource management and planning.
Guangzhou Wang   +5 more
doaj   +1 more source

Vegetation NDVI Linked to Temperature and Precipitation in the Upper Catchments of Yellow River [PDF]

open access: yes, 2012
Vegetation in the upper catchment of Yellow River is critical for the ecological stability of the whole watershed. The dominant vegetation cover types in this region are grassland and forest, which can strongly influence the eco-environmental status of ...
Hao, F.   +4 more
core   +11 more sources

Identifying river changes by river pattern events: a case study of the Lower Yellow River, China

open access: yesGeocarto International, 2023
Accurate and timely detection of river change attaches importance to regional ecological security. Since river change is a complex and dynamic process, there are difficulties to describe it properly.
Chaode Yan   +4 more
doaj   +1 more source

The crystal structure of (Z)-4-amino-N′-(1-(o-tolyl)ethylidene)benzohydrazide, C16H17N3O

open access: yesZeitschrift für Kristallographie - New Crystal Structures, 2023
C16H17N3O, monoclinic, P21/n (no. 14), a = 8.2818(6) Å, b = 17.0495(10) Å, c = 10.2429(7) Å, β = 98.980(6)°, V = 1428.58(17) Å3, Z = 4, Rgt (F) = 0.0629, wRref (F 2) = 0.1461, T = 293 K.
Qiao Ai-Li, Guo Zheng-Feng
doaj   +1 more source

Multi-Parameter Maximum Corrosion Depth Prediction Model for Buried Pipelines Based on GSCV-XGBoost

open access: yesIEEE Access, 2023
Corrosion is one of the most common types of damage inburied oil and gas pipelines. Corrosion leaks can cause serious accidents and can be harmful to pipelinesduring service.
Niannian Wang   +4 more
doaj   +1 more source

Study on Ecological Scheduling of the Xiaolangdi Reservoir Based on the Ecological Needs of Estuarine Fishes

open access: yesMATEC Web of Conferences, 2018
The total water amount into the Yellow River estuary is significantly reduced with the construction of a series of reservoirs in the Yellow River, which has a lot of adversely effects on the fishes and fishery resources in the estuary.
Tian Shimin   +4 more
doaj   +1 more source

Geoarchaeological evidence of the AD 1642 Yellow River flood that destroyed Kaifeng, a former capital of dynastic China

open access: yes, 2020
Rising global temperatures will increase the number of extreme weather events, creating new challenges for cities around the world. Archaeological research on the destruction and subsequent reoccupation of ancient cities has the potential to reveal ...
Cao, J.   +11 more
core   +1 more source

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