scholarly journals Changes in Reference Evapotranspiration over Southwest China during 1960–2018: Attributions and Implications for Drought

Atmosphere ◽  
2019 ◽  
Vol 10 (11) ◽  
pp. 705 ◽  
Author(s):  
Zhaoqi Zeng ◽  
Wenxiang Wu ◽  
Yang Zhou ◽  
Zhaolei Li ◽  
Mei Hou ◽  
...  
Keyword(s):  
Linear Regression ◽  
Multiple Linear Regression ◽  
Southwest China ◽  
Reference Evapotranspiration ◽  
Sunshine Duration ◽  
Dominant Role ◽  
Driving Factors ◽  
Dominant Factor ◽  
Drought Duration ◽  
Entire Study

Reference evapotranspiration (ET0) is important to the global energy balance and to hydrological cycling. However, the extent to which ET0 changes, the main driving factors, and especially the implications of its shift for drought in Southwest China are not clear. In this study, trends in Penman–Monteith ET0 and other climatic parameters at 79 stations in Southwest China from 1960 to 2018 were investigated by using the Mann–Kendall test. Furthermore, partial correlation analysis and multiple linear regression were used to determine the dominant climate driving factors in changes in ET0. The relative contribution of precipitation and ET0 to drought duration was also quantified based on spatial multiple linear regression. Results revealed that annual ET0 decreased significantly (p < 0.01) at a rate of 14.1 mm per decade from 1960 to 2000, and this decrease disappeared around 2000. For the entire study period, the sunshine duration (Tsun) was the most closely correlated with and played a dominant role in the variations in ET0 at both annual and seasonal (summer and autumn) timescales, whereas the relative humidity was the most dominant factor in the spring and winter. Trends in the Standardized Precipitation Evapotranspiration Index revealed that drought has become more serious in Southwest China, and ET0 has made a greater contribution to the duration of drought than precipitation. Our findings highlight that more attention should be paid to the impacts of ET0 changes on drought in Southwest China. Furthermore, these results can provide a reference for the allocation of water resources and the implementation of countermeasures to climate change.

scholarly journals Impact of global dimming on reference evapotranspiration in Hai River basin, China

2015 ◽  
Vol 368 ◽  
pp. 287-292 ◽  
Author(s):  
N. Zhao ◽  
X. Zeng ◽  
H. Sun
Keyword(s):  
River Basin ◽  
Surface Energy Balance ◽  
Hydrological Cycle ◽  
Reference Evapotranspiration ◽  
Sunshine Duration ◽  
Global Radiation ◽  
Dominant Factor ◽  
Upward Trend ◽  
Temporal And Spatial ◽  
Global Dimming

Abstract. Global radiation can impact the surface energy balance and hydrological cycle. This study analysed changes in global radiation in Hai River basin, China during 1960 to 2012. Global radiation decreased significantly from 1960 to 1989 and increased from 1990 to 2012, which has been described as “from dimming to brightening”. Sunshine duration was used as a proxy index where radiation records were unavailable. Results showed that sunshine duration (for 45 stations) show a significant decreasing trend from 1960 to 2012, which was a little different to global radiation (for 6 stations) during the brightening phase. Penman-Monteith model was used for estimating trends of reference evapotranspiration. The consistency of temporal and spatial variations in sunshine duration and reference evapotranspiration was examined during the periods 1960−1989 and 1990−2012. The results showed that the annual reference evapotranspiration trend was consistent with the sunshine duration trend (both were decreasing for 37 of the 45 stations) during 1960 to 1989, followed by an upward trend (for 26 of the 45 stations) from 1990, while the annual sunshine duration indicated a downward trend (for all 45 stations) during the whole period 1960−2012. Overall, global dimming could be the dominant factor for the decreased reference evapotranspiration from 1960 to 1989, while the increased reference evapotranspiration from 1990 to 2012 could be driven by other meteorological variables, especially global warming.

The Determinant Factors of Foreign Tourists’ Visit to Tourism Destination in North Sumatra

2019 ◽  
Vol 10 (1) ◽  
pp. 266
Author(s):  
Maria Magdalena BATE’E ◽  
Syah Abadi MENDROFA ◽  
Yamolala ZEGA ◽  
Syukur Kasieli HULU ◽  
LELYSO LELYSO ◽  
...  
Keyword(s):  
Regression Analysis ◽  
Linear Regression ◽  
Multiple Linear Regression ◽  
Linear Regression Analysis ◽  
Multiple Linear Regression Analysis ◽  
Negative Influence ◽  
Dominant Factor ◽  
Tourism Destination ◽  
Factors Influencing ◽  
North Sumatra

This research aims to investigate the factors influencing the rate of foreign tourists’ visit to tourism destination in North Sumatra, Indonesia. The data were collected using observation, interview, documentation study and questionnaires. The data were analysed using multiple linear regression analysis. The findings of the study indicated that the ancillary facilities are the dominant factor influencing tourists’ visit to tourism destination in North Sumatera. The factors of service quality and facilities and infrastructures provide negative influence on tourists’ visit to tourism destination.

scholarly journals Faktor yang Mempengaruhi Preferensi Bermukim Penghuni Perumahan Formal Kota Surakarta Studi Kasus Kelurahan Mojosongo

Arsitektura ◽  
2017 ◽  
Vol 15 (1) ◽  
pp. 50
Author(s):  
Fachrul Fadilla ◽  
Galing Yudhana ◽  
Erma Fitria Rini
Keyword(s):  
Linear Regression ◽  
Multiple Linear Regression ◽  
Analytical Methods ◽  
Development Planning ◽  
Dominant Factor ◽  
Correlation Test ◽  
Independent Variables ◽  
Big City ◽  
Quantitative Descriptive ◽  
New Settlements

<div><p><em>Surakarta city is a big city that has a tendency to relatively rapid growth rate. One of the examples in Mojosongo Village planned as new settlements in Surakarta city. The state settled in Mojosongo Village increased by 2, 65% and the total population increased by 24, 8% with the data collected in 2010 until 2013, so for the requirement of residential are still not fulfilled. Development planning of residential area is an alternative to solve the requirement of residents in Mojosongo Village.  Mojosongo Village as new settlements must prioritize the requirement of home that is appropriate for the residents of residential. The problems in this research is the dominant factor influencing preferences of residents of the formal housing in Mojosongo Village. The purpose of this research is to know the preferences settled for residents of residential in Mojosongo Village, Also what are the factors that influence it. In this research used deductive approach because this research was conducted by examining the theories derived from the literature using the selected variables that have been determined by the type of research combined with quantitative descriptive. The influence of each variable were then divided into the dependent variable and independent variables with analytical methods such as multiple linear regression and correlation test to look at the contribution of each factor has been reduced. The influence of each variable were then divided into the dependent variable and independent variables with analytical methods such as multiple linear regression and correlation test to know the contribution of each factor has been reduced. Based on the analysis, it is found that the dominant factor affecting preferences of settled residents in residential is water services. This research recommendations in the planning area is to development residentials area in accordance with the factors influencing.</em></p><p><em> </em></p><p><strong><em>Keywords:</em></strong><em> Preference Settled, Residential, Surakarta</em></p></div>

scholarly journals PERKEMBANGAN PEREKONOMIAN SYARI’AH PADA MASYARAKAT PONOROGO (Analisis Faktor Internal dan Eksternal )

2017 ◽  
Vol 6 (2) ◽  
pp. 147
Author(s):  
Yeni Cahyono ◽  
Edy Kurniawan
Keyword(s):  
Linear Regression ◽  
Multiple Linear Regression ◽  
Linear Regression Analysis ◽  
Sampling Technique ◽  
Multiple Linear Regression Analysis ◽  
Test Reliability ◽  
Dominant Factor ◽  
Islamic Banks ◽  
Study Population ◽  
Internal And External Factors

This study aimed to analyze the internal and external factors in Ponorogonese society that affect the economical development of sharia in Ponorogo. Methods of data analysis used in this study were the validity test, reliability test, test of multiple linear regression analysis, t-test and F test. The population in this study were all customers of Islamic banks. Because of the study population was quite a lot, then the data collection sample of 110 respondents used sample random sampling technique. The results of the analysis showed that from multiple linear regression test, the obtained value of Adjusted R Square was 0.554, which meant the independent variables influence a client's decision were about 82.4%, and 17.6% were influenced by the other independent factors beyond the research. The dominant factor influencing the customer's decision to use a product of Islamic banks was the motivation of customers that was 53.9%..

scholarly journals Modeling of reference evapotranspiration by multiple linear regression

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Helder J. F. da Silva ◽  
Marconio S. dos Santos ◽  
Jório B. Cabral Junior ◽  
Maria H. C. Spyrides
Keyword(s):  
Linear Regression ◽  
Multiple Linear Regression ◽  
Reference Evapotranspiration

ANALISIS PENGUATAN KINERJA KARYAWAN

Akademika ◽  
2019 ◽  
Vol 8 (01) ◽  
pp. 65-79
Author(s):  
Firdaus Na ◽  
Tjiptogoro Dinarjo Soehari
Keyword(s):  
Career Development ◽  
Linear Regression ◽  
Multiple Linear Regression ◽  
Significant Influence ◽  
Sampling Method ◽  
Employee Performance ◽  
Likert Scale ◽  
Dominant Factor ◽  
Competence Training ◽  
Sampling Variable

Abstract : Research aims to understand the influence of competence, training and career development simultaneously and partial of the performance of employees PT.Kharisma Potensia Indonesia in Jakarta. The kind of research to research this is explanatory research. The size of the population in this research was 55 employees and  The sampling method used is a saturated sampling. Variable free is competence ( X1 ), training ( X2 ) and career development ( X3 ), while variable their lack of roots is a an employee ( y ).Equation of Multiple Linear Regression Y = 0,450+ 0,278x1 + 0,258x2 + 0,402x3 + e; Rsquare = 0,403; F = 11,498, Career development is the most dominant factor in employee performance. Competence, training and career development have a positive and significant influence on employee performance. The results of employee performance are 0.450, If X1, X2, and X3, are considered zero, it will affect employee performance of 0.450 if the 1-5 Likert scale is included in the not too good category.   Keywords : competence, training, career development, employees’ performance, outsourcing   Abstrak : Penelitian ini bertujuan untuk mengetahui pengaruh kompetensi, pelatihan dan perkembangan karir baik secara simultan maupun parsial terhadap kinerja karyawan PT.Kharisma Potensia Indonesia di Jakarta. Jenis penelitian pada penelitian ini adalah explanatory research Jumlah populasi dalam penelitian ini adalah 55 karyawan dan Metode pengambilan sampel yang digunakan adalah metode sampel jenuh. Variabel bebasnya adalah kompetensi (X1), pelatihan (X2) dan Perkembangan Karir (X3), sedangkan variabel terikatnya adalah kinerja karyawan (Y). Persamaan Regresi Linier berganda Y = 0,450+ 0,278x1 + 0,258x2 + 0,402x3 + e; Rsquare = 0,403, F =11,498, Perkembangan Karir menjadi factor paling dominan terhadap kinerja karyawan. Kompetensi, Pelatihan, dan Perkembangan Karir memiliki pengaruh yang positif dan signifikan terhadap kinerja karyawan. Hasil dari kinerja karyawan adalah sebesar 0,450, Apabila X1,X2,dan X3, dianggap nol, maka akan mempengaruhi kinerja karawan sebesar 0,450 jika dalam skala likert 1-5 termasuk dalam katagori sangat tidak baik.   Kata Kunci: Kompetensi, Pelatihan, Perkembangan Karir, Kinerja Karyawan, Outsourcing

scholarly journals Factors Affecting the Failure of Patient Safety Target Indicators in the Regional Hospital of the Datu Beru Takengon Central Aceh

2020 ◽  
Vol 1 (2) ◽  
pp. 40-52
Author(s):  
Ainal Mardiah ◽  
Mappeaty Nyorong ◽  
Jamaluddin Jamaluddin
Keyword(s):  
Patient Safety ◽  
Linear Regression ◽  
Multiple Linear Regression ◽  
Communication Systems ◽  
Safety Management ◽  
Regression Coefficient ◽  
Negative Impact ◽  
Linear Regression Analysis ◽  
Dominant Factor ◽  
Cross Sectional

The application of patient safety management is very important in an effort to prevent or minimize the occurrence of adverse patient safety incidents. The purpose of this study was to identify the factors that influence the achievement of patient safety target indicators. The method is a quantitative observational study with a cross sectional study approach. The study population was a nurse who worked in the inpatient room with a sample of 60 people who were taken by purposive sampling. The statistical test used is Multiple Linear Regression Analysis. The results of the Multiple Linear Regression Test show that knowledge, communication systems, commitment and experience (regression coefficient values ​​of 0.164, 1.1192, 0.528 and 1.169 have a positive influence on the achievement of patient safety goal indicators and leadership, risk management systems and reporting systems have a significant influence. negative impact on the achievement of patient safety target indicators (regression coefficient values ​​of -0.064, - 0.967 and -0.281). The results of the t test were obtained that the communication system is the dominant factor that has a significant effect on the achievement of the patient safety goal indicators. significant towards the achievement of patient safety target indicators.It is expected that input or consideration for the hospital in evaluating and improving hospital policies in increasing the achievement of patient safety target indicators is in accordance with existing targets.

scholarly journals Faktor-Faktor yang Memengaruhi Keterpilihan Perempuan di Dewan Pewakilan Rakyat Daerah Kota Medan pada Pemilu 2019

PERSPEKTIF ◽  
2021 ◽  
Vol 10 (2) ◽  
pp. 424-440
Author(s):  
Sri Rahayu ◽  
Arif Nasution ◽  
Arifin Saleh
Keyword(s):  
Linear Regression ◽  
Multiple Linear Regression ◽  
Random Sampling ◽  
Quantitative Methods ◽  
Sampling Method ◽  
Linear Regression Analysis ◽  
Physical Appearance ◽  
Multiple Linear Regression Analysis ◽  
Dominant Factor ◽  
Analysis Method

The electability of women as Members of the Medan City DPRD in the 2019 Election is still not as expected, namely only reaching 12% of the minimum 30% stipulated by law. This study aims to determine what factors influence the electability of women in the Electoral District 3 DPRD Medan City in the 2019 Election. This research uses quantitative methods. The method of determining the sample using the Slovin formula. The sampling method used was proportional stratification random technique (startified proportional random sampling), obtained 100 samples from 192,315 populations. The data collection method is done by distributing questionnaires to respondents. The data analysis method used multiple linear regression using SPSS 25 software. The results showed that the variables of gender, ethnicity and physical appearance had a significant effect on women's electability in the election area 3 DPRD Medan City. Based on the results of multiple linear regression analysis tests and partial tests, the physical appearance variable (physival appearance) became the dominant factor in increasing the electability of women compared to the gender (gender) and ethnicity (ethnicity) variables which were 0.622.

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