West Sumatra Province is one of the provinces with diverse human resources. This situation causes the need for human resource management to encourage economic growth. This study aims to identify economic development, economic inequality and human development, as well as the relationship between economic inequality and human development in West Sumatra Province in 2015-2019. The basic data used in the analysis are GRDP and the Human Development Index (IPM) using quantitative descriptive analysis methods. Economic development was analyzed using Location Quotient (LQ) and Klassen typology, while economic inequality was using Entropy Theil. The research showed that the Klassen typology results were dominated by developed but slow regions which amounted to nine regencies/cities and based on LQ showed that urban areas had a base sector in the secondary and tertiary sectors, while rural areas had a base sector in the tertiary sector. The HDI has increased which is accompanied by an increase in entropy, indicate that high GRDP is not evenly distributed. In addition, there is a strong relationship between economic inequality in terms of GRDP per capita and HDI. This shows an increase in economic growth that triggers improvements in the health and education sectors so that it has a good impact on the quality of human development but needs an even distribution.

Penelitian ini bertujuan untuk mengetahui sebaran tingkat kerentanan airtanah di cekungan airtanah (CAT) Wates terhadap pencemaran. CAT Wates memiliki luas total sebesar 152,67 m2 dan terletak di bagian Selatan Kabupaten Kulon Progo. Kerentanan airtanah terhadap pencemaran dipengaruhi oleh karakteristik geologi, akuifer, serta keterdapatan sumber pencemar dilihat dari penggunaan lahan. Tingkat kerentanan ditentukan dengan metode perhitungan DRASTIC-LU menggunakan 9 parameter melalui proses overlay. Parameter yang digunakan dalam perhitungan kerentanan yaitu kedalaman muka airtanah, imbuhan, media akuifer, tanah, kemiringan lereng, zona tak jenuh, konduktivitas hidraulik, dan penggunaan lahan. Data sekunder dari literatur dan instansi terkait digunakan dalam perhitungan kerentanan, lalu hasil kerentanan divalidasi dengan data kualitas air pada parameter nitrat. Hasil penelitian menunjukkan bahwa CAT Wates didominasi oleh tingkat kerentanan sedang dengan luas 11933,013 hektar atau dengan persentase 79,68 % dari keseluruhan luas CAT Wates. Tingkat kerentanan tinggi memiliki persentase 11,66 % dan tingkat kerentanan rendah memiliki persentase 8,67 %. Area dengan kerentanan tinggi memiliki kedalaman muka airtanah yang dangkal dan memiliki penggunaan lahan berupa area urban dan semi urban karena area urban dan semi urban yang menghasilkan limbah domestik dan limbah industri, sedangkan sawah menghasilkan limbah pertanian yang menjadi sumber pencemar potensial. Kondisi tersebut berimplikasi pada pemanfaatan air. Pada lokasi dengan kerentanan tinggi, sebaiknya tidak dimanfaatkan secara masif untuk kebutuhan konsumsi. Air masih dapat dimanfaatkan untuk kebutuhan lain. Selain itu, perlindungan airtanah di lokasi kajian perlu ditingkatkan.

The Covid-19 pandemic has an impact on the use of freshwater. Freshwater has an essential role in preventing the spread of Covid-19 related to the implementation of health protocols also Clean and Healthy Living Behavior. The important factors that influence water use are socioeconomic conditions, including income level, type of work, and education level. The spread of Covid-19 significantly occurs in urban areas. Bantul village is the center of government, economy and one of the planned areas of urban settlements in Bantul Regency. Bantul village is also a hinterland of the Yogyakarta agglomeration area. This study was conducted to determine the influence of socio-economic conditions on the significance of changes in water use during the Covid-19 pandemic to implement health protocols in Bantul village. The data was obtained through interviews with 99 respondents based on random sampling techniques. This research was conducted with quantitative methods and descriptive analysis techniques. The result shows an increase in freshwater use during the pandemic, particularly washing hands and taking a shower. The highest increase in freshwater use is in Kurahan Hamlet. While in Grujugan Hamlet, there has been no increase. The increase in freshwater use indicates the suitable implementation of health protocols.

Celeng sub-watershed is a catchment area located in the Oyo watershed. This catchment has circular shape which is situated in the alluvial plain. In the 2018, there was a huge flood occurred in the area that was triggered by Savana Cyclone. The cyclone itself contributed in extreme precipitation, resulted in high discharge in a very short time, and spilled over the riverbank. The research aims (1) to analyze the discharge capacity in the Celeng sub-watershed, (2) to determine the design discharge of Celeng sub-watershed for 2, 5, 10, and 25 years return period, and (3) to evaluate whether the design discharge excess the Celeng river capacity or not. The research uses quantitative analysis through rational method and slope area method. The design discharge measured by rational method and applied to evaluate the river capacity along with rational method. The result shows that the area does not experience flood in all return period.