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[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2018 Asian Association on Remote Sensing. All Rights Reserved.A research using Thermal Infrared (TIR) remote sensing have been conducted at Agung volcano to analyze the temporal thermal characteristics in the crater. We collected and identified the surface temperature of Agung volcano prolong prior and post eruptions in 2017-2018. The land surface temperature is one of the crucial parameters for observing volcanic activities by the occurrence of temperature change anomalies in the crater surface. We used the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) day and nighttime thermal infrared observations over Agung volcano for 18 years from February 2001 to July 2018. The surface temperature was obtained by Temperature and Emissivity Separation (TES) method. This method was also applied to reduce the effect of thermal inertia from the objects. According to the proposed method, the surface temperature of the ASTER nighttime observation at Agung volcano is 15 to 20°C in an intra-eruption period between 2001-2016. However, three months preceding the 21 November 2017 eruption, the maximum surface temperature at the summit increased to 34.93°C. Interestingly, the temperature decreased a week before the eruption to 28.41°C. Contrary, the highest surface temperature was obtained one day before the eruption on 28 June 2018 about 104.12°C. According to the visual interpretation of LANDSAT 8 image, a new incandescent lava extruded on 2 July 2018. Meanwhile, the ASTER daytime observed two weeks after the eruption of 25 November 2017 showed surface temperature at the summit about 105.99°C. The derived temporal surface temperature based on ASTER TIR provided prolong prior and post thermal signature to a new eruption phase of an active volcano.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Advanced spaceborne thermal emission and reflection radiometer,ASTER,Surface temperatures,Temperature and emissivity separations (TES),Thermal characteristics,Thermal infrared,Thermal infrared remote sensing,Visual interpretation[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]Agung volcano,ASTER,surface temperature,thermal infrared[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]In this research, surface temperature was obtained by processing ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) satellite imagery data. ASTER is one of the five sensors systems on-board the Terra platform launched in December 1999 as part of the NASA Earth Observing System (EOS). ASTER was provided by cooperative project of NASA, Japan’s Ministry of Economy, Trade and Industry (METI), the National Institute of Advanced Industrial Science and Technology (AIST) in Japan, and Japan Space Systems (J-spacesystems) (Abrams, & Hook, 2000). It is known as available sensor acquiring images at high spatial resolution bands as shows in Table 2. From EOS-1 Terra Satellite, images have been acquired over the 18 year period between 2001 and 2018 for Mount Agung area. During this period number of eruptions have occurred with substantially different intensity and durations started by the quarter end of 2017 until mid-year 2018. Here we focus on the changes of temperature in the crater summit area of Agung Volcano as analyzed in 130 ASTER images, including 35 day and 95 nighttime observed images. Table 3 shows the entire ASTER Agung Volcano data collection reported in number of images per year, divided into day and nighttime acquisitions. The derived temporal surface temperature based on ASTER TIR provided prolong prior and post thermal signature to a new eruption phase of an active volcano.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]