Perairan Kalianget merupakan daerah ujung timur dari Pulau Madura dengan kondisi pesisir telah mengalami banyak perubahan. Aktifitas masyarakat dan proses hidrooseanografi dapat mempengaruhi karakteristik lapisan dan pola sebaran sedimen dasar di perairan tersebut. Tujuan penelitian ini adalah mengetahui karakteristik lapisan sedimen dasar dan pola sebaran sedimen yang dihubungkan dengan pola pergerakan arus. Penentuan lokasi dilakukan dengan metode purposive sampling. Data primer berupa sampel sedimen dasar yang tersebar di 11 titik dan data sekunder berupa arus. Metode analisa ukuran butir sedimen menggunakan metode pengayakan dan pemipetan. Analisa sedimen menggunakan segitiga Shepard dan Sieve Graph. Pengolahan data menggunakan Surfer 11.0, ArcMap 10.3 dan SPSS 16. Hasil penelitian menunjukkan karakteristik sedimen terdiri dari mean size berupa pasir kasar, pasir sedang, pasir halus dan lumpur sedang, sortasi berupa pemilahan sangat baik, dan cukup baik, skewness berupa kemiringan sangat halus dan kurtosis berupa keruncingan sangat tumpul. Sebaran sedimen setiap titik mempunyai partikel penyusun yang beragam dengan jenis sedimen dominan berupa pasir tersebar di titik 1, titik 2, titik 3, titik 4, titik 5, titik 6, titik 7, titik 8, titik 9, titik 10 dan titik 11 dan lumpur tersebar di titik 2, titik 3 dan titik 4. Kata Kunci: Karakteristik Sedimen, Sebaran Sedimen, Perairan Kalianget

Kalianget waters is the eastern end of Madura Island with coastal conditions have undergone many changes. Community activities and hydrooseanographic processes may affect the characteristics of the layers and patterns of sedimentary distribution of the waters in these waters. The purpose of this research is to know the characteristics of the basic sediment layer and the pattern of sediment distribution that is connected with the pattern of current movement. Location determination was carried out by purposive sampling method. Primary data in the form of basic sediment samples spread over 11 points and secondary data in the form of currents. Sediment grain size analysis method uses sifting and piping methods. Sediment analysis uses the Shepard triangle and Sieve Graph. Data processing using Surfer 11.0, ArcMap 10.3 and SPSS 16. The results showed that sediment characteristics consisted of mean size in the form of coarse sand, medium sand, fine sand and medium sludge, sorting very good sorting, and good enough, skewness of very fine slope and kurtosis in the form of very dull tingles. The sediment distribution of each point has a diverse array of particles with the dominant sediment type of sand spread at points 1, point 2, point 3, point 4, point 5, point 6, point 7, point 8, point 9, point 10 and point 11 and mud is scattered at point 2, point 3 and point 4. Keywords: Sediment Characteristics, Sediment Distribution, Kalianget Waters

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