ABSTRACT: The marine atmospheric boundary layer influences the evolution of evaporation duct height (EDH) by altering the vertical profile of the refractive index. The EDH is a crucial parameter for marine and naval communication. Many studies have demonstrated the sensitivity of boundary layer similarity theory in estimating the vertical profile of refractive index. The current study modifies …
ABSTRACT: Evaluation methods for regional climate models (RCMs) commonly rely on point comparisons with observed meteorological fields, which provide limited understanding of the spatial and temporal representations of important factors affecting urban areas in models. These factors are not only complex but also difficult to differentiate, which complicates their analysis. This study thus devel…
ABSTRACT: Northeast China experiences significant snowstorms during winter. However, the microphysics of snowfall in this area remains poorly understood. This study aims to address this gap by comparing the microphysical characteristics and related meteorological conditions of wet and dry snow in Northeast China. The results indicate that the number concentration (NC) of wet snow is approximate…
ABSTRACT: The morning transition is the period when the planetary boundary layer (PBL) transitions from stable to unstable conditions. It is critical that numerical weather prediction (NWP) models sufficiently represent the various forcings that contribute to the PBL heat and moisture budgets during the morning transition, as they impact forecasts of air quality, turbulence, aerosol dispersion,…
ABSTRACT: Parametric wind models can be used to formulate the wind distribution under a tropical cyclone (TC) as a simple function with a reduced set of parameters. Here, a range of 10 symmetric parametric models are fitted to a dataset of 920 surface wind radial profiles derived from synthetic aperture radar (SAR) high-resolution observations. Multiple lin- ear regressions are performed to exp…
ABSTRACT: New gridded lightning climatology datasets are compiled and released from a series of low-Earth-orbiting NASA lightning sensors: the Optical Transient Detector (OTD), Tropical Rainfall Measuring Mission (TRMM) Lightning Imaging Sensor (LIS), and International Space tation (ISS) LIS. OTD collected data during April 1995-March 2000, TRMM LIS collected data during December 1997- April 2…
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Buku ini adalah buku matematika teknik yang membahas secara khusus tentang Transformasi Laplace dan penerapannya. Buku ini menyajikan teori-teori singkat dan pemecahan masalah matematis yang berhubungan dengan Transformasi Laplace. Buku ini membahas beberapa bab, di antaranya konsep dasar transformasi Laplace, Transformasi Laplace fungsi-fungsi sederhana, Transformasi Laplace Invers, Transforma…
Buku Geologi berjudul Buku Manajemen Risiko Bencana Longsor merupakan karya Ardy Arsyad Bencana alam tanah longsor merupakan bencana alam yang sering terjadi di Indonesia. Bencana jenis ini menempati urutan ketiga setelah angin puting beliung dan banjir. Tanah longsor merupakan salah satu jenis gerakan massa tanah atau batuan ataupun pencampuran keduanya menuruni atau keluar lereng akibat terga…
Automated Weather Observing System (AWOS) merupakan sebuah sistem terkomputerisasi yang secara otomatis mengukur parameter cuaca untuk keperluan layanan informasi cuaca penerbangan. Pengetahuan mengenai prinsip kerja sistem, karakteristik peralatan, dan metode pemeliharaan AWOS sangat diperlukan untuk menjamin peralatan berfungsi secara optimal. Buku ini menyajikan pembahasan lengkap mengenai p…