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  • 1
    Keywords: Atmospheric physics. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (1006 pages)
    Edition: 1st ed.
    ISBN: 9789811903083
    Series Statement: Springer Proceedings in Physics Series ; v.275
    DDC: 621.3848
    Language: English
    Note: Intro -- Preface -- Contents -- Contributors -- 1 Reducing Sugars Production from Oil Palm Empty Fruit Bunches (OPEFB) by Combined Dilute Acids-Hydrothermal Pretreatment -- 1.1 Introduction -- 1.2 Materials and Methods -- 1.2.1 Materials -- 1.2.2 Dilute Acids (DA) - Hydrothermal Pretreatment of OPEFB -- 1.2.3 Combine Severity Factor (CSF) -- 1.2.4 Enzymatic Hydrolysis -- 1.2.5 Reducing Sugar and Brown Compound Analysis -- 1.3 Results and Discussion -- 1.3.1 The Influence of Acid Concentration on Solid Recovery and Reducing Sugar Yield -- 1.3.2 The Influence of Heating Duration on Solid Recovery and Reducing Sugar Yield -- 1.3.3 Brown Compound Analysis -- 1.3.4 Effects of Combined Severity Factor on Pulp Recovery and Reducing Sugar Yield -- 1.4 Conclusion -- References -- 2 The Decline of Surface Global Solar Radiation at Palembang City of Indonesia Correlated to the Smoke Events in 2019 -- 2.1 Introduction -- 2.2 Data and Method -- 2.3 Results and Discussions -- 2.4 Conclusions -- References -- 3 Atmospheric Response to the Southern Java Upwelling Variability Associated with Positive Indian Ocean Dipole Event -- 3.1 Introduction -- 3.2 Data and Methods -- 3.2.1 Data -- 3.2.2 Methods -- 3.3 Results and Discussion -- 3.3.1 The Oceanic and Atmospheric Feature of the Southern Coast of Java During Summer Monsoon -- 3.3.2 Interannual Variability of Southern Java Upwelling During Positive Indian Ocean Dipole Event and the Atmospheric Response -- 3.4 Summary and Conclusions -- References -- 4 Technological Properties of Formaldehyde Free Adhesives Based on Oxidized Starch Mixed with Different Crosslinkers for Plywood -- 4.1 Introduction -- 4.2 Materials and Methods -- 4.2.1 Materials -- 4.2.2 Preparation of Oxidized Starch Adhesives -- 4.2.3 Characterization of Oxidized Starch Adhesives -- 4.2.4 Plywood Manufacturing. , 4.2.5 Examination of Plywood Properties -- 4.3 Results and Discussion -- 4.3.1 Characteristics of Oxidized Starch Adhesive -- 4.3.2 Oxidized Starch Adhesive Properties -- 4.3.3 Performance of Plywood -- 4.4 Summary and Conclusions -- References -- 5 Characteristic of Precipitable Water Vapor in 2017-2019 Over Bandung Estimated by GPS Data -- 5.1 Introduction -- 5.2 Data and Method -- 5.3 Result and Discussion -- 5.4 Conclusions -- References -- 6 Convectively Coupled Equatorial Waves (CCEWs) Triggering Torrential Rainfall Events Over Sumatra, Indonesia -- 6.1 Introduction -- 6.2 Data and Methods -- 6.3 Results and Discussions -- 6.3.1 Climatological Condition -- 6.3.2 Waves Activity -- 6.3.3 Modulation of Daily Rainfall -- 6.3.4 Modulation of Extreme Rainfall -- 6.3.5 Wet Days -- 6.3.6 Mechanism of Modulation -- 6.4 Conclusions -- References -- 7 Kelvin Wave Activity in the UTLS Over the Maritime Continent from GPS RO Measurements -- 7.1 Introduction -- 7.2 Data and Methods -- 7.2.1 Data -- 7.2.2 Methods -- 7.3 Results and Discussions -- 7.3.1 Relational Dispersion Analysis of the Kelvin Waves -- 7.3.2 Analysis of the Vertical Structure of Temperature -- 7.3.3 Analysis of the Vertical Propagation of Kelvin Waves -- 7.3.4 Analysis of Phase Speed and Vertical Wavelength of Kelvin Waves in the UTLS -- 7.4 Conclusions -- References -- 8 The Influence of the QBO on the MJO-Related Rainfall Variability over the Maritime Continent -- 8.1 Introduction -- 8.2 Data and Methods -- 8.2.1 QBO Index -- 8.2.2 MJO Index -- 8.2.3 Band Pass Filter -- 8.2.4 Probability Change of Rainfall Extreme -- 8.2.5 Composite of Anomaly -- 8.3 Results and Discussion -- 8.3.1 Intraseasonal Variations of OLR -- 8.3.2 Impacts of QBO on MJO Related Rainfall -- 8.3.3 Impacts of QBO on MJO Rainfall Extreme -- 8.3.4 Dynamics of QBO-MJO Connections -- 8.4 Summary -- References. , 9 Water Quality Assessment for Detecting Submarine Groundwater Discharge (SGD) Pollution in the Coastal Area of Krakas Beach, North Lombok District, Indonesia -- 9.1 Introduction -- 9.2 Materials and Methods -- 9.2.1 Research Location and Period -- 9.2.2 Research Materials -- 9.2.3 Sampling and Analysis -- 9.3 Result and Discussion -- 9.3.1 Radon (222Rn) Activity -- 9.3.2 Nitrogen and Phosphorus Content Within Lombok Utara Groundwater -- 9.3.3 Nitrogen and Phosphorus Content Within SGD in the North Lombok -- 9.4 Conclusions -- References -- 10 The Influence of Boreal Summer Madden-Julian Oscillation on Precipitation Extremes in Indonesia -- 10.1 Introduction -- 10.2 Data and Methods -- 10.3 Results and Discussion -- 10.3.1 MJO Impact on Regional Precipitation Anomalies -- 10.3.2 MJO Impact on Precipitation Extremes -- 10.3.3 The Dynamical Links Between the Boreal Summer MJO and Precipitation Extremes -- 10.4 Conclusions -- References -- 11 Smoke Propagation During Fire in Kalimantan and Sumatra in 2015 and 2019 -- 11.1 Introduction -- 11.2 Data and Method -- 11.3 Result and Discussion -- 11.3.1 Forest Fire Events -- 11.3.2 Smoke Propagation -- 11.3.3 The Aerosol Optical Thickness (AOT) and Visibility -- 11.4 Conclusion -- References -- 12 Dynamic Mechanical Properties of Acetylated Cassava Starch-Chitosan Based Film, With Addition of Sorghum Micro-Fibrillated Cellulose -- 12.1 Introduction -- 12.2 Material and Methods -- 12.2.1 Material -- 12.2.2 Modification of Cassava Starch -- 12.2.3 Preparation of Sorghum Micro-Fibrillated Cellulose -- 12.2.4 Fabrication of Films -- 12.2.5 Characterization of Films -- 12.3 Result and Discussion -- 12.3.1 Water Contact Angle on Film Surface -- 12.3.2 Functional Groups in films -- 12.3.3 Film Dynamic Mechanical Analysis -- 12.4 Conclusion -- References. , 13 Characteristics of Acid Deposition in Urban and Sub-Urban Area -- 13.1 Introduction -- 13.2 Data Dan Method -- 13.2.1 Location and Data -- 13.2.2 Method -- 13.3 Results and Discussion -- 13.3.1 Wet and Dry Deposition -- 13.3.2 Fractional Acidity and Neutralization Factor -- 13.3.3 Source Contribution PMF -- 13.4 Conclusions -- 13.5 Contributor Statements -- References -- 14 Evaluation of CCAM Seasonal Prediction by GSMaP Satellite Rainfall Data in Indonesia -- 14.1 Introduction -- 14.2 Data and Methods -- 14.2.1 Data -- 14.2.2 Methods -- 14.3 Results and Discussion -- 14.4 Summary and Conclusions -- References -- 15 Solar Wind Speed Time-Series Forecasting Based on Long Short-Term Memory (LSTM) Neural Network Model -- 15.1 Introduction -- 15.2 Data and Methods -- 15.2.1 Data -- 15.2.2 Methods -- 15.3 Results -- 15.4 Conclusion -- References -- 16 On the Mechanism of Anomalously Wet and Cold Weather Over Java in June -- 16.1 Introduction -- 16.2 Data and Method -- 16.2.1 Data -- 16.2.2 Method -- 16.3 Results and Discussion -- 16.4 Conclusion -- References -- 17 Outstanding Issues in the Future Rainfall Projection Over Indonesia -- 17.1 Introduction -- 17.2 Outstanding Issues in a Multi-Model Ensemble -- 17.3 Outstanding Issues in the Downscaling of Rainfall Projections -- 17.4 Discussions -- References -- 18 Atmospheric Residual Layer Height Variations on Clear and Rainy Days Based on High-Resolution Radiosonde and Global Positioning System Radio Occultation Data -- 18.1 Introduction -- 18.2 Data and Methods -- 18.2.1 Data -- 18.2.2 Estimated Residual and Mixed Layer Height -- 18.3 Results and Discussion -- 18.3.1 Residual Layer Height Estimation -- 18.3.2 The Comparison of Radiosonde and GPS-RO Data -- 18.3.3 Residual Layer Height Variation on Clear and Rainy Days -- 18.3.4 The Relationship Between Residual and Mixed Layer Height Variation. , 18.4 Conclusion -- References -- 19 The Response of Rainfall in Sumatera to Indian Ocean Dipole Phenomenon -- 19.1 Introduction -- 19.2 Data Dan Method -- 19.2.1 Data -- 19.2.2 Method -- 19.3 Results and Discussion -- 19.3.1 The Major Signal in Rainfall Data -- 19.3.2 Rainfall Pattern in Sumatera with PCA -- 19.3.3 Linear Relationship Between Rainfall and Indian Ocean Dipole -- 19.3.4 Sumatera Island Rainfall Conditions During IOD -- 19.4 Conclusions -- 19.5 Contributor Statements -- References -- 20 Analysis and Verification of Fire Danger Rating System (FDRS) Parameters in Land and Forest Fire in West Kalimantan in 2019 and Its Relationship with Hotspots and Rainfall -- 20.1 Introduction -- 20.2 Data and Methods -- 20.2.1 Data -- 20.2.2 Extraction of FDRS in Burned Area -- 20.2.3 Number of Hotspots with Radius 2 km from Burned Area -- 20.2.4 Extraction and Determination of Parameters to Be Analyzed -- 20.3 Results and Discussions -- 20.3.1 Hotspot Distribution Patterns in West Kalimantan in 2019 and Their Relationship to Rainfall and Humidity -- 20.3.2 FDRS Parameters in Burned Area -- 20.3.3 Relationship of FDRS Parameters with Hotspot, Rainfall, and Burned Area -- 20.3.4 Relationship of Rainfall and Hotspot to FDRS Parameters -- 20.3.5 Relationship of Rainfall, Hotspot, and FDRS Parameters to Burned Area -- 20.4 Conclusion -- References -- 21 Exploring an Extension of Space Situational Awareness in Southeast Asian Region Utilizing EAR Observation Data -- 21.1 Introduction -- 21.2 Methodology -- 21.3 Result and Discussion -- 21.4 Conclusion -- References -- 22 The Comparison of Z-R Relation Methods on Convective and Stratiform Rain of Quantitative Precipitation Estimation (QPE) in East Java Area -- 22.1 Introduction -- 22.2 Study Area -- 22.3 Data and Method -- 22.4 Results and Discussion. , 22.4.1 QPE for PAC Products with Rosenfeld Tropical, Fujiwara, and Arida Et Al.'s Z-R Relation Algorithms.
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  • 2
    Publication Date: 2024-02-07
    Description: Over one hundred years of vigorous progress in tropical cyclone (TC) research, the genesis of the cyclone (hereafter, tropical cyclogenesis) is remarkable as a doubtful subject. Furthermore, predicting tropical cyclogenesis, particularly in the lesser latitude, remains a significant challenge. Therefore, understanding the complex interactions in developing tropical cyclogenesis over the region is vital to improving tropical cyclogenesis forecasting. Hence, the Indonesia Maritime Continent is a tropical cyclone-free region due to decreasing the Coriolis effect. However, Seroja TC hit Flores (8.6° S, 120° E), east Nusa Tenggara, Indonesia, on 4 April 2021, and was recorded as the first TC that occurred over the mainland, which brought a catastrophic disaster in the region. This study investigated the tropical cyclogenesis of Seroja by using observational and numerical studies. The results indicate that a marine heatwave and double vortices were favorable conditions that produced preconditions for developing tropical cyclogenesis over the Maluku Sea. Thus, tropical cyclogenesis is formed by the breakdown of the intertropical convergence zone (ITCZ) associated with synoptic-scale wave train driven under the interaction of the Madden Julian oscillation (MJO) and equatorial Rossby waves. Moreover, our finding suggested that an extensive background cyclonic vorticity under the cold pool mechanisms is responsible for maintaining tropical cyclogenesis into a persistent Seroja TC.
    Type: Article , PeerReviewed
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  • 3
    Publication Date: 2024-02-07
    Description: For the first time, the processes controlling the variations of mixed layer temperature (MLT) and salinity (MLS) in the Banda Sea are quantified using data from a single Argo float in combination with satellite and reanalysis outputs from August 2017 to August 2019. This augments previous studies that utilized ocean model data only. We document the presence of a barrier layer and quantify the roles of air-sea heat and mass exchanges, horizontal advection, and vertical entrainment in the seasonal variability of MLT and MLS. We find that heat gains and losses at the air-sea interface are the main contributor to the warming and cooling of the MLT. Seasonal changes in MLS are driven by advection of low salinity water rather than freshwater fluxes from precipitation and evaporation. This is particularly the case during the late northwest and monsoon transition period from February to April when low salinity is advected eastward from the Java Sea into the Banda Sea.
    Type: Article , PeerReviewed
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