North china plain ncp
Web1 de dez. de 2024 · Water use efficiency (WUE) and nitrogen fertilizer use efficiency (NUE) of winter wheat are urgently needed to further improve in the North China Plain (NCP). … WebOn the North China Plain (NCP), groundwater is the main water supply. Because of large-scale overexploitation, the water table has declined, which has produced severe adverse effects on the environment and ecosystem. In this article, tracer experiment and watershed model were used to calculate and analyze NCP groundwater recharge.
North china plain ncp
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Web11 de abr. de 2024 · The simulations were performed from 1st to 22nd June 2024 with 7-day spin-up period on a domain covering the North China Plain (NCP), centered at 39.5 °N, …
Web22 de out. de 2024 · Particularly in the North China Plain (NCP),a main production area for winter wheat in China,due to climate change and variable precipitation,droughts often affected winter wheat during its growing season (Chenet al.2024).In order to maintain stable production,huge amounts of irrigation water has been applied,which has caused a rapid … Web2 de fev. de 2024 · PM2.5 pollution frequently occurs over the North China Plain (NCP) during early winter, which is usually modulated by the northeast Asian anomalous anticyclone (NAAA).
Web1 de out. de 2024 · 1. Introduction. PM 2.5 is a complex mixture of elemental carbon, organic carbon, nitrates, ammonium, sulfates and mineral dust (He et al., 2001).The massive emissions of particle pollutants and their gaseous precursors have caused serious air pollution in major populated areas in China, such as the North China Plain (NCP), … Web1 de abr. de 2024 · Developing climate-smart agricultural systems is essential for climate change adaptation and mitigation. In the past decades, the typical winter wheat- summer maize rotation system in the North China Plain (NCP) has produced high yield, but the overuse of nitrogen fertilizer and over-pumping of groundwater for irrigation have …
Web22 de fev. de 2024 · An intensive atmospheric boundary layer (ABL) experiment was conducted simultaneously at six stations arranged in a cross shape on the North China Plain (NCP) from 26 November to 26 December 2024.
Web27 de jan. de 2024 · The North China Plain (NCP) ... Human intervention (including water use reductions and water diversions) can stabilize groundwater storage in the North … size of the problem pdfWeb11 de abr. de 2024 · Because the North China Plain (NCP) is the largest producer of winter wheat in China, it represents a suitable region for investigating ... Propagation time from meteorological drought to agricultural drought in the North China Plain during the P1 (a), P2 (b), P3 (c), and P4 (d) stages of winter wheat growth. P1, P2, P3, and P4 ... sust chemistry facultyWeb30 de abr. de 2024 · As a major gaseous pollutant, ozone (O3) adversely affects human health and ecosystems. In recent years, ozone pollution in China has gradually become a prominent issue, especially in the North China Plain (NCP). To study the long-term spatio-temporal variation patterns of O3 in the NCP, this study selected 230 monitoring stations … size of the problem preschoolWeb10 de ago. de 2024 · In the North China Plain (NCP), groundwater is an important source of water supply and plays a pivotal role in social and economic development. This study investigated the hydrochemical characteristics and genetic mechanism of groundwater in the southeastern part of the NCP using hydrogeochemical and GIS methods, and evaluated … sustayn analytics llcWebdata set for North China, Foster et al. [2004] concluded that the excessive abstraction of groundwater has led to severe groundwater depletion in the piedmont and flood plain regions of the NCP. This groundwater depletion was further validated by two GRACE studies. Zhong et al. [2009] stud-ied TWS trends in China using early GRACE data (level 2, sust bus scheduleWeb9 de jan. de 2024 · 1 Introduction. Irrigation in the North China Plain (NCP, 34° to 41°N; 113° to 121°E; Figure 1a), including three provinces (Henan, Hebei, and Shandong) and … sustc-wifiWeb17 de nov. de 2024 · High concentrations of the fine particles (PM 2.5) are frequently observed during all seasons over the North China Plain (NCP) region in recent years.In NCP, the contributions of regional transports to certain area, e.g. Beijing city, are often discussed and estimated by models when considering an effective air pollution … sus t-box