Document model stack and DEB deduplication
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2569718930@qq.com
@@ -161,6 +161,88 @@ export const DOCS_PAGES: DocsPage[] = [
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{
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slug: "model-stack-deb",
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group: "analysis",
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content: {
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"zh-CN": {
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title: "模型栈与 DEB",
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description: "这页说明 PolyWeather 当前接入哪些开放模型，不同地区为什么看到的模型不一样，以及 DEB 如何避免重复计权。",
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sections: [
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{
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id: "model-sources",
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title: "当前接入的开放模型",
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blocks: [
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{ type: "paragraph", text: "PolyWeather 的多模型层通过 Open-Meteo 模型接口接入开放 NWP / AI 预报。它不是直接下载原始 GRIB，而是把可用模型统一归一到最高温模型栈里，供模型分歧、概率层和 DEB 使用。" },
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{ type: "bullets", items: ["ECMWF IFS：全球传统数值模式。", "ECMWF AIFS：ECMWF AI forecast，作为独立 AI 路径保留。", "DWD ICON：全球 ICON 基准层。", "DWD ICON-EU：欧洲区域高分辨率层。", "DWD ICON-D2：欧洲短时高分辨率层。", "ECCC GEM / GDPS：加拿大系全球模式。", "ECCC RDPS / HRDPS：北美区域与短时高分辨率层。", "GFS / JMA：继续作为全球参考模型保留。"] },
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],
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},
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{
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id: "regional-coverage",
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title: "为什么欧洲、亚洲、美国城市看到的模型不一样",
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blocks: [
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{ type: "paragraph", text: "模型覆盖域不同，所以同一套请求在不同坐标上返回的模型也不同。区域模型不覆盖某个城市时，不会返回空值，也不会在前端显示。" },
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{ type: "bullets", items: ["欧洲城市：通常会看到 ECMWF / AIFS / GFS / ICON / ICON-EU / ICON-D2 / GEM 或 GDPS / JMA。欧洲高分辨率重点来自 DWD ICON-EU 和 ICON-D2。", "北美城市：通常会看到 ECMWF / AIFS / GFS / ICON / GEM / GDPS / RDPS / HRDPS / JMA，并继续叠加 NWS。北美高分辨率重点来自 ECCC RDPS 和 HRDPS。", "亚洲城市：通常以 ECMWF / AIFS / GFS / ICON / GEM 或 GDPS / JMA 为主，通常不会有 ICON-EU、ICON-D2、RDPS、HRDPS；亚洲城市更依赖本地官方站、METAR、TAF、JMA、KMA、NMC、HKO、CWA 等观测增强层。"] },
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],
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},
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{
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id: "deb-dedup",
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title: "DEB 如何处理新增模型",
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blocks: [
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{ type: "paragraph", text: "DEB 不会把所有新模型按“每个模型一票”直接等权加入。否则 ICON / ICON-EU / ICON-D2 会让 DWD 模型家族被重复放大，GEM / GDPS / RDPS / HRDPS 也会让加拿大模型家族被重复放大。" },
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{ type: "bullets", items: ["ICON / ICON-EU / ICON-D2 归为 DWD ICON 家族，优先级为 ICON-D2 > ICON-EU > ICON。", "GEM / GDPS / RDPS / HRDPS 归为 ECCC GEM 家族，优先级为 HRDPS > RDPS > GDPS > GEM。", "ECMWF IFS 与 ECMWF AIFS 分开保留，因为一个是传统数值模式，一个是 AI forecast。", "GFS、JMA、MGM、NWS、LGBM、Open-Meteo 等保持独立路径。", "DEB 权重信息中出现“家族去重”时，表示系统已经先折叠同家族模型，再进行历史 MAE 倒数加权。"] },
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{ type: "callout", tone: "info", title: "产品含义", text: "新增模型提升的是区域代表性和解释力，不是让某个地区因为模型数量更多就天然拥有更高权重。" },
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],
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},
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{
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id: "display",
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title: "网页上如何展示",
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blocks: [
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{ type: "paragraph", text: "网页的“模型区间与分歧”会按全球基准、AI 预报、欧洲高分辨率、北美高分辨率分组显示，并展示可用模型数量、模型分歧、来源、模型名称、分辨率和预报时效。没有覆盖的区域模型不会显示。" },
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],
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},
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],
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},
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"en-US": {
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title: "Model Stack & DEB",
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description: "This page explains which open models PolyWeather uses, why model coverage differs by region, and how DEB avoids duplicate family weighting.",
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sections: [
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{
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id: "model-sources",
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title: "Open models currently integrated",
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blocks: [
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{ type: "paragraph", text: "PolyWeather's multi-model layer uses the Open-Meteo model API to integrate open NWP and AI forecasts. It does not download raw GRIB directly; instead, available models are normalized into the daily-high model stack used by spread, probabilities, and DEB." },
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{ type: "bullets", items: ["ECMWF IFS: global traditional NWP.", "ECMWF AIFS: ECMWF AI forecast, kept as a separate AI path.", "DWD ICON: global ICON baseline.", "DWD ICON-EU: European regional high-resolution layer.", "DWD ICON-D2: European short-range high-resolution layer.", "ECCC GEM / GDPS: Canadian global model family.", "ECCC RDPS / HRDPS: North American regional and short-range high-resolution layers.", "GFS / JMA: retained as global reference models."] },
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],
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},
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{
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id: "regional-coverage",
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title: "Why Europe, Asia, and US cities show different models",
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blocks: [
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{ type: "paragraph", text: "Model domains differ, so the same request can return different model fields depending on the city coordinates. If a regional model does not cover a city, it is omitted rather than shown as an empty value." },
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{ type: "bullets", items: ["European cities usually show ECMWF / AIFS / GFS / ICON / ICON-EU / ICON-D2 / GEM or GDPS / JMA. The high-resolution European layer comes mainly from DWD ICON-EU and ICON-D2.", "North American cities usually show ECMWF / AIFS / GFS / ICON / GEM / GDPS / RDPS / HRDPS / JMA, plus existing NWS context. The high-resolution North American layer comes mainly from ECCC RDPS and HRDPS.", "Asian cities usually rely on ECMWF / AIFS / GFS / ICON / GEM or GDPS / JMA. ICON-EU, ICON-D2, RDPS, and HRDPS usually do not cover Asia, so Asian reads lean more on local official stations, METAR, TAF, JMA, KMA, NMC, HKO, CWA, and other observation enhancement layers."] },
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],
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},
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{
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id: "deb-dedup",
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title: "How DEB handles the new models",
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blocks: [
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{ type: "paragraph", text: "DEB does not treat every new model as one independent vote. Otherwise ICON / ICON-EU / ICON-D2 would over-amplify the DWD family, and GEM / GDPS / RDPS / HRDPS would over-amplify the Canadian family." },
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{ type: "bullets", items: ["ICON / ICON-EU / ICON-D2 are collapsed into one DWD ICON family, with priority ICON-D2 > ICON-EU > ICON.", "GEM / GDPS / RDPS / HRDPS are collapsed into one ECCC GEM family, with priority HRDPS > RDPS > GDPS > GEM.", "ECMWF IFS and ECMWF AIFS are kept separate because one is traditional NWP and the other is an AI forecast.", "GFS, JMA, MGM, NWS, LGBM, and Open-Meteo remain independent paths.", "When the DEB weight string includes “family deduplication” or “家族去重”, the system has collapsed same-family models before applying historical inverse-MAE weighting."] },
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{ type: "callout", tone: "info", title: "Product meaning", text: "The new models improve regional representativeness and explanation quality. They do not let a region gain extra weight simply because more related model variants exist there." },
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],
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},
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{
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id: "display",
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title: "How the site displays this",
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blocks: [
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{ type: "paragraph", text: "The Model Range & Spread panel groups the model stack into Global Baseline, AI Forecast, Europe High-resolution, and North America High-resolution. It shows available model count, spread, source, model name, resolution, and forecast horizon. Regional models outside their domain are simply not shown." },
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],
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},
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],
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},
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},
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},
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{
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slug: "taf-signal",
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group: "analysis",
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