Physics and Chemistry of the Earth, Parts ABC Physics and Chemistry of the Earth, Parts ABC RSS feedThis is an RSS file. You can use it to subscribe to this data in your favourite RSS reader or to display this data on your own website or blog.

Summertime daily precipitation statistics over East China in CFSv2
In this study, summertime daily precipitation statistics from the CFSv2 reforecasts were evaluated over East China. The daily precipitation statistics considered included the number of wet days, precipitation intensity (represented mean precipitation), and four extreme precipitation indices. Simulations of the climatological daily precipitation statistics by CFSv2 have been examined. The most significant bias in CFSv2 is that it produces excessive consecutive light and moderate precipitation but misses most short-duration heavy and extreme precipitation events over South and Northeast China, which further limits the simula...
Source: Physics and Chemistry of the Earth, Parts ABC - January 29, 2020 Category: Science Source Type: research

Study on the thresholds of grain production risk from climate change in China's main grain-producing areas
Publication date: Available online 27 January 2020Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Mingyang Sun, Jieming Chou, Yuan Xu, Fan Yang, Jiangnan LiAbstractWith the increase in frequency and intensity of extreme weather events caused by global climate change, the risks to grain production have become more and more prominent. This paper uses the economic and climate data from 1981 to 2016 in China's main grain-producing areas as its source data. The economic-climate model is combined with the grey model GM(1,1) and the sixth phase of the Coupled Model Intercomparison Project (CMIP6) the second gene...
Source: Physics and Chemistry of the Earth, Parts ABC - January 28, 2020 Category: Science Source Type: research

Evaluation and improvement of remote sensing-based methods for river flow management
This study proposes a framework for monitoring volatile, dangerous and difficult to access rivers using only affordable and easy to maintain new technologies. The framework consists of four main components: i) establishment of geometry using airborne photogrammetry and bathymetry; ii) physically based rating curve development through hydraulic modelling of surveyed river sections; iii) determination of non-intrusive observations with for instance simple cameras or satellite observations; and iv) evaluating the institutional and societal impacts of using new technology. To establish this framework, a number of research ques...
Source: Physics and Chemistry of the Earth, Parts ABC - January 23, 2020 Category: Science Source Type: research

Potential impact assessment for China's dry and wet areas under global warming targets
Publication date: Available online 23 January 2020Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Shuang Wu, Leibin Wang, Qixiang Cai, Xiaodong YanAbstractSince the Industrial Revolution, greenhouse gas emissions have caused global temperatures to rise gradually. The Paris Agreement aims to limit the global mean surface temperature increase to less than 2.0 °C relative to pre-industrial levels. China's land area accounts for ∼7% of the global land (65N∼59S) area, and the arid area of China accounts for 12.41% of the total global arid area. Therefore, the degree of aridification/humidification in Ch...
Source: Physics and Chemistry of the Earth, Parts ABC - January 23, 2020 Category: Science Source Type: research

Soil water dynamics under Moistube irrigation
Publication date: Available online 11 January 2020Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Edwin Kimutai Kanda, Aidan Senzanje, Tafadzwanashe MabhaudhiAbstractThe design and management of irrigation systems require knowledge of soil water movement. There are few studies on soil water dynamics of Moistube irrigation (MTI) since it is a relatively new type of subsurface irrigation technology. It was hypothesised that soil texture influences soil water distribution under MTI. We determined soil water distribution, experimentally and numerically, using HYDRUS 2D/3D model for two soil textures (loamy sa...
Source: Physics and Chemistry of the Earth, Parts ABC - January 12, 2020 Category: Science Source Type: research

Assessment of biomass and yield loss of maize caused by aerosols in heavily polluted agricultural areas of China based on APSIM model
In this study, the effects of aerosols on the biomass and yield of maize from 2001 to 2014 in heavily polluted agricultural areas of China were explored using global AErosol Robotic Network (AERONET) monitoring data, the Second Simulation of a Satellite Signal in the Solar Spectrum radiative transfer (6S) model, and the Agricultural Production Systems sIMulator (APSIM) crop growth model. Beijing, Xianghe, and Taihu stations were selected as research areas. The results showed that the APSIM-maize model was able to accurately simulate the interactions between maize and the climatic constraints in the maize planting areas at ...
Source: Physics and Chemistry of the Earth, Parts ABC - January 8, 2020 Category: Science Source Type: research

Assessment of the impacts of climate change and human activities on vegetation cover change in the Haihe River basin, China
Publication date: Available online 7 January 2020Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Yan-Ling Sun, Mei Shan, Xin-Rui Pei, Xia-Kun Zhang, Yan-Li YangAbstractUsing the SPOT vegetation normalized difference vegetation index (NDVI) dataset from 2000 to 2013, we investigated the characteristics and future trends of spatiotemporal variations in vegetation in the Haihe River basin. At the same time, its associated driving factors were also analyzed. The Sen and Mann-Kendall models, the Hurst index and a partial correlation analysis were used to analyze the data. The study found that (1) the vegetatio...
Source: Physics and Chemistry of the Earth, Parts ABC - January 8, 2020 Category: Science Source Type: research

Hazard assessment and regionalization of snowstorms in Heilongjiang Province from 1961 to 2015
Publication date: Available online 7 January 2020Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Fan Zhang, Lijuan Zhang, Yutao Huang, Nan Wang, Yongsheng LiAbstractHazard risk has become an important issue because global warming will lead to an increased risk of extreme weather and climate events. Based on the daily snow precipitation of 63 cities and counties in Heilongjiang Province, China from 1961 to 2015, the probability of each level of snowstorm was calculated based on information diffusion theory, and a hazard index model was established using snowstorm probability and the amount of snow precipit...
Source: Physics and Chemistry of the Earth, Parts ABC - January 8, 2020 Category: Science Source Type: research

Adaption to climate change risk in eastern China: Carbon emission characteristics and analysis of reduction path
Publication date: Available online 2 January 2020Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Fan Yang, Jieming Chou, Wenjie Dong, Mingyang Sun, Weixing ZhaoAbstractTo improve its ability to adapt to climate change, China has promised considerable carbon emission reduction and proposed the policy strategy of “energy revolution”. Considering the lowest carbon emission intensity and the greatest mitigation task in the Eastern Economic Zone of China, this paper analyses the change of carbon emission intensity in Eastern China from 2000 to 2015. First, to prove the significance of carbon emission inten...
Source: Physics and Chemistry of the Earth, Parts ABC - January 3, 2020 Category: Science Source Type: research

The stability of Qinghai-Tibet Plateau ecosystem to climate change
In this study, resistance and resilience were selected as two stability indicators of ecosystems to analyze the response of the QTP ecosystem to climate change over the past 34 years. We explored the main climate drivers that affect vegetation change, and predicted the stability of the ecosystem in the future. The results showed that the coniferous and Hylaea coniferous and hylaea forests of the QTP had high resilience, whereas the steppe and meadow had poor resilience. Shrubs and coniferous and hylaea coniferous and hylaea forests were with less resistance to climate change, whereas steppe and meadow showed more resistanc...
Source: Physics and Chemistry of the Earth, Parts ABC - January 3, 2020 Category: Science Source Type: research

Hazard prediction and risk regionalization of snowstorms in northeast China
Publication date: Available online 3 January 2020Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Dong Liu, Lijuan Zhang, Shunyu Jiang, Shuai Shi, Yongsheng LiAbstractThe hazard analysis of snowstorm disasters can provide a scientific understanding of their occurrence, development, and possible impact. Such knowledge can improve the efficiency of disaster alleviation efforts. The temporal and spatial distribution and variational patterns of snowfall amounts and the number of snowfall days in Northeast China in the future under different scenarios were analyzed. The analysis was based on the meteorological ...
Source: Physics and Chemistry of the Earth, Parts ABC - January 3, 2020 Category: Science Source Type: research

Comparison of high capacity tensiometer designs for long-term suction measurements
Publication date: Available online 24 December 2019Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): J. Mendes, D. GallipoliAbstractThis paper investigates the long-term measurement of negative (tensile) pore-water pressures in soils by using high capacity tensiometers (HCTs). Seven different HCT prototypes were designed and manufactured by using different porous filters, pressure transducers, water reservoirs and protective casings. The ability of these prototypes to record negative pore-water pressures over long times was initially assessed by a series of measurements on small clay samples equalized at di...
Source: Physics and Chemistry of the Earth, Parts ABC - December 26, 2019 Category: Science Source Type: research

Spatiotemporal distribution of landing tropical cyclones and disaster impact analysis in coastal China during 1990–2016
Publication date: Available online 23 December 2019Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Jieming Chou, Wenjie Dong, Gang Tu, Yuan XuAbstractTo assess the impact of tropical cyclones (hereafter as TCs) along the southeast coast of China, this study analyzed the spatiotemporal variation of TC-induced disasters, interannual variability of disasters and their intensities by using the data during 1990–2016. Economic losses were calculated by using the three disaster indices: based on the area of affected crops, number of collapsed buildings, and direct economic losses. Entropy method was used to im...
Source: Physics and Chemistry of the Earth, Parts ABC - December 24, 2019 Category: Science Source Type: research

Spatiotemporal patterns and variations of winter extreme precipitation over terrestrial northern hemisphere in the past century (1901–2017)
In this study, the spatiotemporal distributions and variation characteristics of winter extreme precipitation in the Northern Hemisphere over the past century (1901–2017) were analyzed using trend analysis and spatial analysis. These analyses utilized the monthly average dataset of surface climatic factors (CRU TS4.03), and years with extreme precipitation was defined based on the standard deviation method. The following results were obtained. (1) In the past century, the frequency of years with more winter extreme precipitation (denoted as more-extreme years) in the Northern Hemisphere was higher than that of years with...
Source: Physics and Chemistry of the Earth, Parts ABC - December 24, 2019 Category: Science Source Type: research

Impact of heatwaves and cold spells on the morbidity of respiratory diseases: A case study in Lanzhou, China
Publication date: Available online 6 December 2019Source: Physics and Chemistry of the Earth, Parts A/B/CAuthor(s): Ge Xu, Ling Chen, Yi Chen, Tao Wang, Fei-Han Shen, Ku Wang, Shao-Fei JinAbstractMore than four hundred million people suffer from respiratory diseases each year. Respiratory diseases are associated with a large disease burden. Heatwaves and cold spells, the two most common extreme weather events, have been shown to have crucial negative effects on the prevalence of respiratory diseases. However, impacts of extreme weather on the prevalence of respiratory diseases has been largely overlooked in western China, ...
Source: Physics and Chemistry of the Earth, Parts ABC - December 8, 2019 Category: Science Source Type: research