📢मिलावट के खिलाफ हरियाणा अपडेट की मुहिम, मिलावटी सामान बेचने वालों पर होगी कार्रवाई:- पुल्कित मल्होत्रा SDM सफीदों।😤

कुख्यात हिस्ट्रीशीटर विजय चौधरी की हत्या के मामले हुआ सबसे बड़ा खुलासा, पुलिस भी हिल गई,
सात साल पुरानी दुश्मनी के पीछे खेतों के रास्ते पर आए दिन होने वाला विवाद बना हत्या की वजह! तीन महीने पहले दोनों परिवारों में हुआ था झगड़ा, राजीनामे के बाद भी नहीं थमी कथित धमकियां; सोशल मीडिया स्टेटस से गाड़ी की पहचान कर शराब ठेके पर घात लगाकर किया हमला।
संवाददाता भैरू लाल माली देवली टोंक

Rainfall Sensors: Solving the Challenges of Field Station Maintenance and Building a Solid Data Foundation for Precipitation Monitoring

Precipitation monitoring is a fundamental prerequisite for flood control and disaster reduction, water resource assessment, and weather forecasting. Many projects focus only on the technical parameters of rainfall sensors on paper, neglecting the corrosive effects of the complex field environment, resulting in "tested laboratory accuracy, but inaccurate field data." Rainfall sensors are not merely simple data acquisition instruments; they are sensing systems adapted to complex conditions such as sandstorms, falling leaves, rain, snow, and extreme temperatures. Equipment selection, on-site installation, and routine maintenance are all indispensable to ensure long-term, continuous, and reliable precipitation observation data.

Mainstream Technical Solution: Understanding Advantages While Addressing Field Shortcomings

Double-Tipping Bucket Rain Gauge Sensor (Mainstream Hydrometeorological Metering Equipment)

Rainwater enters the upper tipping bucket through the collection inlet and filter. The upper tipping bucket buffers the water flow, regulating the varying intensity of rainwater before it flows into the metering bucket. Each tipping outputs a pulse signal, which is used to calculate instantaneous rainfall intensity, hourly rainfall, and daily cumulative rainfall. The resolution is generally up to 0.1mm, meeting the domestic hydrometeorological observation standards of the China Meteorological Administration. It can integrate wind speed and direction, temperature and humidity, and air pressure to form an integrated micro-meteorological station; it is cost-effective and suitable for large-scale deployment at grassroots stations.

Its shortcomings all stem from real-world field conditions: leaves, insect fluff, and withered grass easily clog the filter and tipping bucket gaps; ground settlement and strong wind vibrations cause equipment tilting, directly resulting in systematic measurement errors; winter snow and ice accumulation can close the collection inlet, interrupting observations. The tipping bucket is a moving mechanical component, and shaft wear will gradually become apparent over time.

Weighing-type rain gauges

These sensors directly measure the weight of all precipitation using a weighing unit. They can measure rain, snow, and hail, are unaffected by rainfall intensity, meet WMO (World Meteorological Organization) standards, and do not suffer from tipping bucket jamming. However, they are expensive to purchase and have stringent requirements for base stability. They are primarily used in national meteorological stations and high-altitude research sites, and are not suitable for large-scale grid deployment.

Mechanical-free piezoelectric and optical rain gauges

These sensors eliminate all moving parts, relying on raindrop impact vibration or optical path obstruction for measurement. They do not suffer from bucket jamming, have low maintenance workload, and are suitable for remote mountain slopes where inspection is difficult. However, their measurement capabilities for light rain and drizzle are insufficient; they can only serve as a supplementary device for risk trend early warning and cannot be used for hydrological reporting and measurement.

https://www.renkeer.com/what-is-a-pluviometer/

मुंबई में छठ पूजा त्योहार से पहले कुछ रेलवे स्टेशन पर भोजपुरी गाने बजने को लेकर विवाद खड़ा हो गया है. इस कदम की आलोचना हो रही है. सांस्कृतिक कार्यक्रमों के लिए रेलवे स्टेशन के अनाउंसमेंट सिस्टम पर सवाल उठाए जा रहे हैं. शिवसेना यूबीटी की नगर सेविका माधुरी मांजरेकर ने विरोध करते हुए रेलवे प्रशासन से इसकी शिकायत की. विवाद पर प्रतिक्रिया देते हुए मध्य रेलवे के एक प्रवक्ता ने कहा कि अलग अलग मौकों पर स्टेशनों में खास विषयों से जुड़ी धुनें और जागरूकता संदेश बजाए जाते हैं. उन्होंने इस फैसले का बचाव करते हुए कहा कि यात्रियों के लिए जरूरी सूचनाओं के प्रसारण में कोई बाधा नहीं डाली गई.

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