SUMMIT 2 PDF
Summit 2 Teachers Book. Uploaded by. E. Gonzalez. Download with Google Download with Facebook or download with email. myavr.info Summit 2 second edition student book - Free download as PDF File .pdf) or view presentation slides online. Summit 2 second edition student book photos. Summit 2 is the second book in the Summit series. It can also be Full Course Correlation with International Standards and Exams (3MB PDF) (KB DOC).
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Summit 1 covers competencies from B1 through B2 Level described in the Full Course Correlation with International Standards and Exams (3MB PDF). January 18, | Author: Carlos Sanchez Becerril | Category: N/A. DOWNLOAD PDF - MB. Share Embed Donate. Report this link. Short Description. summit 1a teacher s booktorrent, summit skrillex, summit 1 workbook descargar gratisrar.
Allen Aschler has been a teacher and teacher trainer in China and the United States, as well as academic director of the intensive English program at Hunter College.
The ‘Rio Process’: The Politics and Substantive Outcomes of ‘Earth Summit II’
Download Price List. Top of page. Integrated Skills Beginner. Integrated Skills Low-intermediate. Overview Description Authors. Advanced ISBN: The communicative course for upper intermediate to advanced students Summit 3 rd Edition is the new edition of the two-level, high-intermediate to advanced communicative course.
Discover the new editon All new design, updated content Conversation Activator videos build communicative competence Discussion Activator videos increase quality and quantity of expression Test-taking Skills Booster and extra challenge exercises help students succeed in the reading and listening sections of standardized tests Greatly increased grammar, reading, listening, and writing practice Extra digital grammar exercises.
Allen Ascher Allen Aschler has been a teacher and teacher trainer in China and the United States, as well as academic director of the intensive English program at Hunter College. Download Price List Summit 1 Summit 2.
Summit 2 second edition student book
While earthquake rates decreased during this time period, RSAM ratios of the closest two stations showed an indication of magma migration toward the summit crater and RSAM values showed a subtle but persistent long-term trend increase, a trend that continued into the initial phreatomagmatic eruptions in late November Fig.
Shortly afterwards, small, low-frequency LF and VT earthquakes proximal to the summit were noted regularly. VT and LF earthquakes continued at low rates and RSAM values gradually increased through the first phreatomagmatic eruption on 21 November, but the eruption itself was not recorded seismically.
More tremor was recorded a day after the 21 November phreatomagmatic eruption, and VT and LF event rates continued at low levels. The onset of magmatic eruption was preceded by a swarm of 22 larger LF earthquakes on the morning of November 25 local time, although the onset of lava effusion, which was first detected in satellite data the same day, was not recorded seismically. After the onset of effusion, earthquake rates and RSAM values continued at pre-eruptive levels until a significant increase on 8 December.
Fluctuations in seismicity were not correlated with changes in visual observations of eruptive activity at this time. Although Mount Agung began producing regular, discrete explosions early on in the effusive phase, none of the explosions were recorded seismically on the CVGHM network until 23 December. Prior to each explosion, however, earthquake rate or energy increases were either absent or, in some cases, too subtle to reliably forecast subsequent explosions.
Starting after the first lava extrusion on or just before 25 November, tremor episodes lasting 30—90 minutes occurred sporadically, but were not typically correlated with eruptive behavior. There is convincing evidence repeated occurrence during afternoon rains, relatively high frequency content, and visual observations of rain clouds at the summit that suggests these episodes were related to rainfall at the summit, plausibly due to interaction of rainfall with scalding rock by means of growing cracks in the crater lava.
During the most intense phase of the eruption, transit of lahars was seismically recorded on the N and S flank of the volcano. These lahars were thought to have originated by rainfall on ash that was deposited on the upper flank of the volcano during the initial explosive activity during the period of approximately 21—30 November.
After the most intense phase of eruptive activity in late November, seismicity decreased.
On 23 June , a small swarm of VT and LF seismicity began and increased until an explosion on 27 June and additional lava extrusion and ash emissions on 28—29 June, which was accompanied by monochromatic tremor. On 2 July , Strombolian activity was recorded as a series of seismic explosion signals. By , all of the sites had ceased transmitting data, but they were revived in late , and some data extending back to were recovered.
Prior to the onset of the seismic swarm in mid-September, two periods of apparent inflation were evident, in February—March and again during August—September During both periods, motion of operational stations was away from Agung Fig.
The first episode was not accompanied by seismicity. The second was accompanied by slowly increasing seismicity, and no significant deformation occurred during the intervening months.
A simple Mogi model 9 of the displacements suggests a pressure increase at 10—20 km depth, although the few data points do not permit a more detailed assessment. The deformation is not apparent in InSAR data spanning the time period, probably due to the small magnitude of the displacements The rapid increase in seismicity in September was accompanied by a significant change in deformation at all sites Fig.
A co-eruptive episode of deformation in November coincided with the onset of lava extrusion and is consistent with deflation of a source beneath Mount Agung, although the data cannot distinguish the depth of this source. From mid-December through April , surface deformation was minor.
From May to mid-June shallow inflation was detected, followed by extrusion of lava and an increase in explosion frequency in late-June to July Steaming in the crater was first reported in September High resolution satellite data showed that steaming had been intermittently visible since at least September Satellite data document increases in the volume and area of steaming and episodic ponding of water that emanated from a talus pile near the base of the NE crater wall beginning as early as 14 September After the first explosive activity on 21 November, satellite data detected a new m-diameter crater centered in the larger summit crater that served as the conduit for subsequent eruptions.
Ash samples from the 21 November event include minor juvenile components, but are dominated by remobilized edifice lithic material Fig.
Collected bulk ash samples were analyzed for their major-element chemistry and had bulk chemistry of andesite. Sequential sampling revealed an apparent increase from 55 to 59 wt.
Semi-quantitative analyses of juvenile glass confirmed an andesitic composition. A small lava flow was first observed within this crater on 25 November and by 27 November had covered the crater floor Fig.
When lava effusion slowed significantly, less than a week later, the lava flow had covered the floor of the crater and reached a maximum thickness of about m and a volume of about 24 million m3.
At this point, the lava had reached about one-third of the height of the low point in the crater wall, located along the south rim. By 5 December , following a one-week pause in activity, new fractures had begun to form over the central part of the lava flow.
As the fractures grew wider, imagery suggested that molten lava had flowed in from below to seal the fractures. Over the next several months, explosions continued to modify the lava surface, creating new explosion pits and depositing coarse eruption debris on the lava surface. Localized inflation of the central vent area surface was observed shortly before one of the explosions. Figure 4 Images from the November volcanic eruptions. A Looking northeast from Besakih Temple during eruption on 26 November Photo by Johannes P.
B View east toward Mt. Dark ash-rich and white steam-rich plumes emerge simultaneously. Photo by Firdia Lisnawati. D,E Lithic fragments erupted on 21 November and 25 November, respectively. Full size image Figure 5 Images captured by drone flights over Mt. Agung crater on 20 October and 16 December A Rectified photo montage of pre-eruption conditions with steaming in the eastern wall. B Hillshade digital elevation model with false colors showing relative elevation yellow to red.
C Post-eruption photo montage that shows the lava flow. D Hillshade digital elevation model as in B , where the lava flow contains concentric pressure ridges created during outward flow from the central vent. Cracks are visible propagating from the center vent region. Full size image Gas composition and emission rate Due to the previous lack of long-lived fumaroles at Agung since its eruption, no geochemical monitoring program or instruments were in place prior to the unrest.
Conditions near the summit were considered too hazardous for proximal sampling, so regular attempts to measure sulfur dioxide SO2 using ground-based remote sensing techniques began in October after steam emissions had visibly increased.
Despite the presence of a small, persistent plume and reports of sulfurous-smelling gases from unauthorized hikers, 12 mobile DOAS Differential Optical Absorption Spectrometry 11 campaigns made between 1 October and 14 November all failed to detect SO2. While no prior baseline gas measurements were available for comparison, airborne measurement of in-plume CO2 anomalies of this magnitude are uncommon 12 , 14 , 15 , 16 , 17 and these data were viewed as a significant indication of unrest.
Approximately 9 hours later, the first phreatomagmatic explosion occurred.
Summit 2 second edition student book
Figure 6 Perspective digital elevation model from Google Earth that displays drone flight path on 19 December from Rendang region near the Agung observatory Pos 1 , followed by direct spiral ascent 2 , transit to Mount Agung 3 , plume measurements 4 , and return 5. Inset at bottom left shows the Ai drone model Aeroterrascan.
The plume was intersected over a ten-second interval centered at local time. Summary of Basic Timeline Below, we provide a timeline of events as they occurred, though in some cases, as with deformation, they were not detected at the time. We frame the timeline in terms of alert-level changes so that the reader can appreciate the events and reasoning that led to those changes.
The date of alert-level change is denoted in the header for each entry, though key events and observations begin prior to and after that date. By mid-July —around the time that a small thermal anomaly was detected Fig. Table 1 Alert level changes, observations, exclusion zones and outcomes. Full size table 18 September —— Upgrade to Level 3: Water ponding possibly expelled from the edifice or alternatively condensed from fumaroles was noted in the crater on 14 September and formed small deltas in the vicinity of the fumaroles.
Rapidly increasing seismicity prompted an alert level change to Siaga Level 3 on 18 September. GNSS stations south of the volcano registered movement toward the volcano, while a station to the northwest CEGI registered movement away from the volcano. The change to Level 4 Awas triggered evacuations. RSAM values then declined, but elevated seismic event rates, including large magnitude earthquakes up to M4.There's more RAM which means the watch will be more responsive , more onboard storage so you can keep that guilty-pleasure playlist synched , and this is the first smartwatch on the market to feature the latest Qualcomm Snapdragon processor, meaning it should be one of the fastest available.
Saslow has participated in the U. Summit can follow the intermediate level of any communicative series, including the four-level Top Notch course. See text and Fig.
Earthquake magnitudes also increased, with a M4. The finger of blame was also pointed at Tolba for the way he conducted early negotiations. By , all of the sites had ceased transmitting data, but they were revived in late , and some data extending back to were recovered. No Downloads.
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