Perubahan Iklim Global juga dirasakan di Indonesia. Berdasarkan data curah hujanantara 1978-2005 telah terjadi kecenderungan penurunan curah hujan denganpeningkatan suhu sebesar 0,04 – 0,047° C/tahun. Karst Wonogiri yang terletak diKabupaten Wonogiri selalu mengalami masalah tahunan berupa kekeringan di musimkemarau. Penelitian ini berjudul Dampak Perubahan Iklim terhadap Neraca Air SecaraMeteorologi dengan Metode Thornthwaite-Mather untuk Analisis Kekritisan Air di KarstWonogiri. Tujuan penelitian ini adalah: 1). mengetahui kondisi curah hujan tahunanselama perubahan iklim di Karst Wonogiri, 2). mengetahui nilai kemampuan menahanair/Water Holding Capacity (WHC) di Karst Wonogiri, dan 3). menganalisis neraca airsecara meteorologis berdasarkan metode Thornthwhite Matter di Karst Wonogiri.Metode analisis imbangan air yang digunakan adalah Thorthwaite Mather untukmenentukan ketersediaan air. Hasil penelitian yang diperoleh adalah: (1) Kondisi curahhujan tahunan di Karst Wonogiri masih termasuk kategori sedang, dengan tebal hujantahunan bisa mencapai 2000 mm. Fluktuasi curah hujan tahunan tidak terlalu tinggi (200-500 mm per tahun); (2) Perhitungan nilai WHC sebesar 112,92 menunjukkan bahwakemampuan lahan di wilayah penelitian untuk menyimpan dan mengikat air termasukrendah yang disebabkan oleh jenis tanah yang ada memiliki solum tanah dangkal hinggasedang serta struktur tanah kersai dan pasiran. Jenis vegetasi penutup yang berupapalawija dengan zone parakaran dangkal juga mempengaruhi besarnya nilai WHC; (3)Analisis neraca air secara meteorologis dapat disimpulkan bahwa ketersediaan air daricurah hujan di wilayah ini termasuk cukup tinggi dengan 7-8 bulan yang surplus. (4)Indeks kekritisan air sebesar 0,56 termasuk dalam kategori mendekati kritisKata kunci: Perubahan iklim, imbangan air
Petanahan sub-district has three villages directly adjacent to the sea: Karangrejo Village, Karanggadung Village, and Tegalretno Village. This study aims to analyze the level of tsunami susceptibility in the coastal area of Petanahan District in the Kebumen Regency. Analysis of the level of tsunami susceptibility using assessment methods, weighting, and map overlays using tsunami hazard parameters, including elevation, slope, land use, distance from the shoreline, and distance from rivers. Then the Weighting of the Tsunami Vulnerability Level uses the formula N = Bi X Si, where Bi is the weight on each criterion, and Si is a score on each criterion. The weighting results are then divided into five classes, very low, low, medium, high, and very high. The results of this study indicate that the tsunami hazard in a coastal area of Petanahan Regency consists of a very high class (93.904 ha/8.33%), a high class (567.804/50.35%), and a medium class of (465.962 ha/41.32%). The results of this research on the vulnerability to tsunamis can be used by the community, especially in the research area, to increase preparedness in dealing with tsunami disasters. At the same time, the Government can take policies in carrying out disaster risk reduction activities of a tsunami, especially in the research area.
<p><em>The purpose of this study is to find out</em><em>: (1) </em><em>teacher's level of understanding of maritime material</em><em>, (2) </em><em>the ability of teachers in the preparation of maritime learning media</em><em>, (3) </em><em>student acceptance of maritime learning</em><em>. This type of research is qualitative with the research method used is the sample survey method. The study population was all Social Sciences Junior High School Teachers in Surakarta</em><em>. </em><em>Samples were taken at random as many as 36 ips teachers both from public and private junior high schools in Surakarta. Data collection techniques with questionnaires and documentation. Based on research results obtained by the level of understanding of maritime teachers as much as 79% are at a medium level</em><em>, as well as the level of teacher's ability to make maritime learning media as much as 61% are in the medium level so that student acceptance of maritime learning as much as 66% is in the medium level</em><em>.</em></p>
<p><em>The area of Ngargoyoso Subdistrict, Karanganyar Regency, has geosphere conditions that have the potential to be developed for agribusiness crops, but are prone to landslides. In it’s development, it is necessary to integrate considerations of productivity and land sustainability by considering the carrying capacity of the land through the identification of landslide vulnerabilities. The objectives of this research are: (1) To determine the vulnerability of landslides in the Ngargoyoso District, (2) To determine the direction of land conservation for sustainable agricultural land development in Ngargoyoso District. The unit of analysis is in the form of land unit which is the result of overlapping between rock, soil, slope and land use units. The method of determining landslide vulnerability uses the scoring method of landslide determining parameters. The results of the research were (1) high landslide susceptibility area of 4,797.25 hectares (78.13%), moderate landslide susceptibility area of 1,343.26 hectares (21.87%), and (2) conservation directions in the form of zoning for seasonal agricultural land and manufacturing. terracing by paying attention to the slope and depth of the solum.<strong></strong></em></p>
<em>This study aims to perceptions and responses to flood disaster risk reduction social media in Pasar Kliwon District, Surakarta City, 2020. Utilization of whatsapp social media as a means of delivering information to the public in an effort to reduce disaster risk flooding in Pasar Kliwon Subdistrict, Surakarta City, 2020. the impact of the use of whatsapp social media as a means of delivering information on community efforts to reduce the risk of flood disasters in Pasar Kliwon District, Surakarta.The results of the study are as follows: Perception of flood disaster in Pasar Kliwon Subdistrict, if viewed from the potential of the disaster, it can be categorized as very large. For flood disaster vulnerability is also categorized as flood disaster prone. And disaster mitigation is carried out in the form of responsiveness and preparedness from stakeholders. Here the use of social media as a means of delivering flood disaster information.</em>
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